79332721100 has 36 divisors (see below), whose sum is σ = 173760925464. Its totient is φ = 31436513280.

The previous prime is 79332721081. The next prime is 79332721103. The reversal of 79332721100 is 112723397.

It is not an unprimeable number, because it can be changed into a prime (79332721103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3696437 + ... + 3717836.

It is an arithmetic number, because the mean of its divisors is an integer number (4826692374).

Almost surely, 2^79332721100 is an apocalyptic number.

It is an amenable number.

79332721100 is an abundant number, since it is smaller than the sum of its proper divisors (94428204364).

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

79332721100 is a wasteful number, since it uses less digits than its factorization.

79332721100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414394 (or 7414387 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 79332721100 in words is "seventy-nine billion, three hundred thirty-two million, seven hundred twenty-one thousand, one hundred".