856085756 has 12 divisors (see below), whose sum is σ = 1498358400. Its totient is φ = 427983360.

The previous prime is 856085731. The next prime is 856085767. The reversal of 856085756 is 657580658.

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, 39845 + ... + 57443.

It is an arithmetic number, because the mean of its divisors is an integer number (124863200).

Almost surely, 2^856085756 is an apocalyptic number.

It is an amenable number.

856085756 is a deficient number, since it is larger than the sum of its proper divisors (642272644).

856085756 is a wasteful number, since it uses less digits than its factorization.

856085756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764 (or 29762 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The square root of 856085756 is about 29258.9431798211. The cubic root of 856085756 is about 949.5235860546.

The spelling of 856085756 in words is "eight hundred fifty-six million, eighty-five thousand, seven hundred fifty-six".