79660583958 has 32 divisors (see below), whose sum is σ = 163143072000. Its totient is φ = 25921580256.

The previous prime is 79660583941. The next prime is 79660583983. The reversal of 79660583958 is 85938506697.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566128 + ... + 692691.

It is an arithmetic number, because the mean of its divisors is an integer number (5098221000).

Almost surely, 2^79660583958 is an apocalyptic number.

79660583958 is an abundant number, since it is smaller than the sum of its proper divisors (83482488042).

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

79660583958 is a wasteful number, since it uses less digits than its factorization.

79660583958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259076.

The product of its (nonzero) digits is 97977600, while the sum is 66.

The spelling of 79660583958 in words is "seventy-nine billion, six hundred sixty million, five hundred eighty-three thousand, nine hundred fifty-eight".