79179881109288 has 64 divisors (see below), whose sum is σ = 198975625200000. Its totient is φ = 26256532468992.

The previous prime is 79179881109191. The next prime is 79179881109313. The reversal of 79179881109288 is 88290118897197.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43933338 + ... + 45700086.

It is an arithmetic number, because the mean of its divisors is an integer number (3108994143750).

Almost surely, 2^{79179881109288} is an apocalyptic number.

It is an amenable number.

79179881109288 is an abundant number, since it is smaller than the sum of its proper divisors (119795744090712).

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

79179881109288 is a wasteful number, since it uses less digits than its factorization.

79179881109288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776434 (or 1776430 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 78.

The spelling of 79179881109288 in words is "seventy-nine trillion, one hundred seventy-nine billion, eight hundred eighty-one million, one hundred nine thousand, two hundred eighty-eight".