79522373721 has 32 divisors (see below), whose sum is σ = 122563821568. Its totient is φ = 44923818240.

The previous prime is 79522373701. The next prime is 79522373789. The reversal of 79522373721 is 12737322597.

It is not a de Polignac number, because 79522373721 - 2¹⁰ = 79522372697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79522373701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702081 + ... + 807441.

It is an arithmetic number, because the mean of its divisors is an integer number (3830119424).

Almost surely, 2^79522373721 is an apocalyptic number.

It is an amenable number.

79522373721 is a deficient number, since it is larger than the sum of its proper divisors (43041447847).

79522373721 is a wasteful number, since it uses less digits than its factorization.

79522373721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105781.

The product of its digits is 1111320, while the sum is 48.

The spelling of 79522373721 in words is "seventy-nine billion, five hundred twenty-two million, three hundred seventy-three thousand, seven hundred twenty-one".