79879656 has 16 divisors (see below), whose sum is σ = 199699200. Its totient is φ = 26626544.

The previous prime is 79879643. The next prime is 79879661. The reversal of 79879656 is 65697897.

It is a junction number, because it is equal to n+sod(n) for n = 79879596 and 79879605.

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, 1664136 + ... + 1664183.

It is an arithmetic number, because the mean of its divisors is an integer number (12481200).

Almost surely, 2^79879656 is an apocalyptic number.

It is an amenable number.

79879656 is an abundant number, since it is smaller than the sum of its proper divisors (119819544).

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

79879656 is a wasteful number, since it uses less digits than its factorization.

79879656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328328 (or 3328324 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 79879656 is about 8937.5419439575. The cubic root of 79879656 is about 430.6707685019.

The spelling of 79879656 in words is "seventy-nine million, eight hundred seventy-nine thousand, six hundred fifty-six".