DCCCLXVIII

DCCCLXVIII is the Roman numeral representing the number 868. It is composed of the symbols D (500), CCC (300), LX (60), and VIII (8), added together to yield 868.

In arithmetic, 868 is an even composite number with prime factorization 2^2 × 7 × 31. Its positive divisors are 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, and 868. The sum of all divisors is 1792, making the sum of proper divisors 924; thus 868 is an abundant number (the sum of its proper divisors exceeds the number itself).

In Roman numeral usage, DCCCLXVIII is a standard additive representation and does not employ subtractive notation within its components. Roman numerals like this appear in historical records, inscriptions, clock faces, and various documents or monuments that use the traditional system. When applied to a year, 868 CE would be written as DCCCLXVIII in Latin inscriptions, or in modern contexts as the same numeral within a chronological reference.