79819327572 has 48 divisors (see below), whose sum is σ = 188981131584. Its totient is φ = 26218080000.

The previous prime is 79819327529. The next prime is 79819327657. The reversal of 79819327572 is 27572391897.

It is a super-2 number, since 2×79819327572² (a number of 23 digits) contains 22 as substring.

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, 99672 + ... + 411792.

It is an arithmetic number, because the mean of its divisors is an integer number (3937106908).

Almost surely, 2^79819327572 is an apocalyptic number.

It is an amenable number.

79819327572 is an abundant number, since it is smaller than the sum of its proper divisors (109161804012).

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

79819327572 is a wasteful number, since it uses less digits than its factorization.

79819327572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312440 (or 312438 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 60.

The spelling of 79819327572 in words is "seventy-nine billion, eight hundred nineteen million, three hundred twenty-seven thousand, five hundred seventy-two".