Numbers / 887

The Number 887

887 is prime: only 1 and 887 divide it evenly; the next prime after 887 is 907. 887's proper divisors total just 1, 886 short of 887, the deficient case most of 887's neighbors share too. 887 has a digit sum of 23; for 887, the digital root works out to 5. 887 shares no factor with 2-12; 887's own divisors start beyond that range. 887 is 1101110111 in binary and 377 in hex; as a Roman numeral it's DCCCLXXXVII.