79617377722 has 64 divisors (see below), whose sum is σ = 128098713600. Its totient is φ = 37050773760.

The previous prime is 79617377711. The next prime is 79617377753. The reversal of 79617377722 is 22777371697.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42552447 + ... + 42554317.

It is an arithmetic number, because the mean of its divisors is an integer number (2001542400).

Almost surely, 2^79617377722 is an apocalyptic number.

79617377722 is a deficient number, since it is larger than the sum of its proper divisors (48481335878).

79617377722 is a wasteful number, since it uses less digits than its factorization.

79617377722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 10890936, while the sum is 58.

The spelling of 79617377722 in words is "seventy-nine billion, six hundred seventeen million, three hundred seventy-seven thousand, seven hundred twenty-two".