79700856 has 16 divisors (see below), whose sum is σ = 199252200. Its totient is φ = 26566944.

The previous prime is 79700851. The next prime is 79700857. The reversal of 79700856 is 65800797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79700851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660411 + ... + 1660458.

Almost surely, 2^79700856 is an apocalyptic number.

It is an amenable number.

79700856 is an abundant number, since it is smaller than the sum of its proper divisors (119551344).

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

79700856 is a wasteful number, since it uses less digits than its factorization.

79700856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320878 (or 3320874 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 79700856 is about 8927.5335899676. The cubic root of 79700856 is about 430.3491953456.

The spelling of 79700856 in words is "seventy-nine million, seven hundred thousand, eight hundred fifty-six".