856359112 has 32 divisors (see below), whose sum is σ = 1837627200. Its totient is φ = 366496704.

The previous prime is 856359109. The next prime is 856359149. The reversal of 856359112 is 211953658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31038 + ... + 51730.

It is an arithmetic number, because the mean of its divisors is an integer number (57425850).

Almost surely, 2^856359112 is an apocalyptic number.

It is an amenable number.

856359112 is an abundant number, since it is smaller than the sum of its proper divisors (981268088).

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

856359112 is a wasteful number, since it uses less digits than its factorization.

856359112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21445 (or 21441 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 856359112 is about 29263.6141308622. The cubic root of 856359112 is about 949.6246391505.

The spelling of 856359112 in words is "eight hundred fifty-six million, three hundred fifty-nine thousand, one hundred twelve".