770856 has 16 divisors (see below), whose sum is σ = 1927200. Its totient is φ = 256944.

The previous prime is 770843. The next prime is 770863. The reversal of 770856 is 658077.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16036 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (120450).

2⁷⁷⁰⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

770856 is an abundant number, since it is smaller than the sum of its proper divisors (1156344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770856 is a wasteful number, since it uses less digits than its factorization.

770856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128 (or 32124 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 770856 is about 877.9840545249. The cubic root of 770856 is about 91.6905164756.

The spelling of 770856 in words is "seven hundred seventy thousand, eight hundred fifty-six".