856214706774 has 48 divisors (see below), whose sum is σ = 1992236526000. Its totient is φ = 244604920896.

The previous prime is 856214706773. The next prime is 856214706821. The reversal of 856214706774 is 477607412658.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856214706773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2493252 + ... + 2815800.

It is an arithmetic number, because the mean of its divisors is an integer number (41504927625).

Almost surely, 2^856214706774 is an apocalyptic number.

856214706774 is an abundant number, since it is smaller than the sum of its proper divisors (1136021819226).

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

856214706774 is a wasteful number, since it uses less digits than its factorization.

856214706774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331597 (or 331590 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 856214706774 in words is "eight hundred fifty-six billion, two hundred fourteen million, seven hundred six thousand, seven hundred seventy-four".