79744856 has 16 divisors (see below), whose sum is σ = 150599400. Its totient is φ = 39585024.

The previous prime is 79744849. The next prime is 79744859. The reversal of 79744856 is 65844797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79744859) 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, 34745 + ... + 36968.

Almost surely, 2^79744856 is an apocalyptic number.

It is an amenable number.

79744856 is a deficient number, since it is larger than the sum of its proper divisors (70854544).

79744856 is a wasteful number, since it uses less digits than its factorization.

79744856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71858 (or 71854 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 79744856 is about 8929.9975363938. The cubic root of 79744856 is about 430.4283742574.

The spelling of 79744856 in words is "seventy-nine million, seven hundred forty-four thousand, eight hundred fifty-six".