79720116 has 48 divisors (see below), whose sum is σ = 221835264. Its totient is φ = 21786336.

The previous prime is 79720103. The next prime is 79720117. The reversal of 79720116 is 61102797.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79720117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18700 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (4621568).

Almost surely, 2^79720116 is an apocalyptic number.

It is an amenable number.

79720116 is an abundant number, since it is smaller than the sum of its proper divisors (142115148).

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

79720116 is a wasteful number, since it uses less digits than its factorization.

79720116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41300 (or 41298 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 79720116 is about 8928.6122101926. The cubic root of 79720116 is about 430.3838576999.

The spelling of 79720116 in words is "seventy-nine million, seven hundred twenty thousand, one hundred sixteen".