79988756 has 12 divisors (see below), whose sum is σ = 146066592. Its totient is φ = 38255448.

The previous prime is 79988749. The next prime is 79988767. The reversal of 79988756 is 65788997.

It is a junction number, because it is equal to n+sod(n) for n = 79988695 and 79988704.

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, 434630 + ... + 434813.

It is an arithmetic number, because the mean of its divisors is an integer number (12172216).

Almost surely, 2^79988756 is an apocalyptic number.

It is an amenable number.

79988756 is a deficient number, since it is larger than the sum of its proper divisors (66077836).

79988756 is a wasteful number, since it uses less digits than its factorization.

79988756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869470 (or 869468 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The square root of 79988756 is about 8943.6433292031. The cubic root of 79988756 is about 430.8667500075.

The spelling of 79988756 in words is "seventy-nine million, nine hundred eighty-eight thousand, seven hundred fifty-six".