888

888 is a natural number that follows 887 and precedes 889. In base 10 it is a repdigit, consisting of three identical digits, and it is an even, composite number. Its prime factorization is 2^3 × 3 × 37, making it divisible by 2, 3, 4, 6, 8 and other factors.

In number theory, 888 is an abundant number because the sum of its proper divisors exceeds the number itself: the sum of divisors σ(888) equals 2280, which is greater than 2 × 888 = 1776. It is also a Harshad (Niven) number, since 888 is divisible by the sum of its digits (8 + 8 + 8 = 24; 888 ÷ 24 = 37).

Representations in other numeral systems include Roman numerals as DCCCLXXXVIII, binary as 1101111000, octal as 1570, and hexadecimal as 0x378.

Culturally, 8 is considered lucky in Chinese culture, and the repetition of the digit—three eights in a row—adds emphasis to this auspicious meaning. The number 888 is often associated with prosperity in East Asian markets and is used in branding and marketing to convey luck and success. In the context of telecommunications in North America, 888 is a toll-free area code used for many customer service numbers, as part of the trespass of toll-free prefixes alongside 800, 877, 866, 855, 844 and 833.

The name 888 is also associated with the online gambling company 888 Holdings, which operates brands such as 888casino and 888poker.