856712838008 has 16 divisors (see below), whose sum is σ = 1700826958080. Its totient is φ = 403158982528.

The previous prime is 856712837977. The next prime is 856712838041. The reversal of 856712838008 is 800838217658.

856712838008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 3149679416 + ... + 3149679687.

It is an arithmetic number, because the mean of its divisors is an integer number (106301684880).

Almost surely, 2^856712838008 is an apocalyptic number.

It is an amenable number.

856712838008 is a deficient number, since it is larger than the sum of its proper divisors (844114120072).

856712838008 is a wasteful number, since it uses less digits than its factorization.

856712838008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299359126 (or 6299359122 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 856712838008 in words is "eight hundred fifty-six billion, seven hundred twelve million, eight hundred thirty-eight thousand, eight".