79054042172 has 24 divisors (see below), whose sum is σ = 158146961280. Its totient is φ = 33871973040.

The previous prime is 79054042127. The next prime is 79054042213. The reversal of 79054042172 is 27124045097.

It is a congruent number.

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, 230522 + ... + 459617.

It is an arithmetic number, because the mean of its divisors is an integer number (6589456720).

Almost surely, 2^79054042172 is an apocalyptic number.

It is an amenable number.

79054042172 is an abundant number, since it is smaller than the sum of its proper divisors (79092919108).

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

79054042172 is a wasteful number, since it uses less digits than its factorization.

79054042172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694241 (or 694239 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 79054042172 in words is "seventy-nine billion, fifty-four million, forty-two thousand, one hundred seventy-two".