79960658 has 6 divisors (see below), whose sum is σ = 119959959. Its totient is φ = 39974006.

The previous prime is 79960633. The next prime is 79960669. The reversal of 79960658 is 85606997.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 39980329 = 6323^2 + 6323^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6323.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9485 + ... + 15807.

Almost surely, 2^79960658 is an apocalyptic number.

79960658 is a deficient number, since it is larger than the sum of its proper divisors (39999301).

79960658 is an frugal number, since it uses more digits than its factorization.

79960658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12648 (or 6325 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 79960658 is about 8942.0723548851. The cubic root of 79960658 is about 430.8162932834.

Multiplying 79960658 by its sum of digits (50), we get a square (3998032900 = 63230²).

The spelling of 79960658 in words is "seventy-nine million, nine hundred sixty thousand, six hundred fifty-eight".