79436444458 has 16 divisors (see below), whose sum is σ = 138209252544. Its totient is φ = 33536067840.

The previous prime is 79436444441. The next prime is 79436444471. The reversal of 79436444458 is 85444463497.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42342583 + ... + 42344458.

It is an arithmetic number, because the mean of its divisors is an integer number (8638078284).

Almost surely, 2^79436444458 is an apocalyptic number.

79436444458 is a deficient number, since it is larger than the sum of its proper divisors (58772808086).

79436444458 is a wasteful number, since it uses less digits than its factorization.

79436444458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84687117.

The product of its digits is 46448640, while the sum is 58.

The spelling of 79436444458 in words is "seventy-nine billion, four hundred thirty-six million, four hundred forty-four thousand, four hundred fifty-eight".