79713856 has 14 divisors (see below), whose sum is σ = 158182310. Its totient is φ = 39856896.

The previous prime is 79713841. The next prime is 79713889. The reversal of 79713856 is 65831797.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 147456 = 8920^2 + 384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622701 + ... + 622828.

Almost surely, 2^79713856 is an apocalyptic number.

It is an amenable number.

79713856 is a deficient number, since it is larger than the sum of its proper divisors (78468454).

79713856 is a wasteful number, since it uses less digits than its factorization.

79713856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245541 (or 1245531 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 79713856 is about 8928.2616449116. The cubic root of 79713856 is about 430.3725921474.

The spelling of 79713856 in words is "seventy-nine million, seven hundred thirteen thousand, eight hundred fifty-six".