79720088 has 32 divisors (see below), whose sum is σ = 173177760. Its totient is φ = 33696000.

The previous prime is 79720073. The next prime is 79720097. The reversal of 79720088 is 88002797.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5663 + ... + 13838.

It is an arithmetic number, because the mean of its divisors is an integer number (5411805).

Almost surely, 2^79720088 is an apocalyptic number.

It is an amenable number.

79720088 is an abundant number, since it is smaller than the sum of its proper divisors (93457672).

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

79720088 is a wasteful number, since it uses less digits than its factorization.

79720088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19587 (or 19583 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 79720088 is about 8928.6106421996. The cubic root of 79720088 is about 430.3838073122.

The spelling of 79720088 in words is "seventy-nine million, seven hundred twenty thousand, eighty-eight".