856888932 has 12 divisors (see below), whose sum is σ = 1999407536. Its totient is φ = 285629640.

The previous prime is 856888891. The next prime is 856888937. The reversal of 856888932 is 239888658.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (856888937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35703694 + ... + 35703717.

Almost surely, 2^856888932 is an apocalyptic number.

It is an amenable number.

856888932 is an abundant number, since it is smaller than the sum of its proper divisors (1142518604).

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

856888932 is a wasteful number, since it uses less digits than its factorization.

856888932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71407418 (or 71407416 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 856888932 is about 29272.6652698383. The cubic root of 856888932 is about 949.8204395628.

The spelling of 856888932 in words is "eight hundred fifty-six million, eight hundred eighty-eight thousand, nine hundred thirty-two".