79924080 has 80 divisors (see below), whose sum is σ = 258554880. Its totient is φ = 20385024.

The previous prime is 79924079. The next prime is 79924093. The reversal of 79924080 is 8042997.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1720 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (3231936).

Almost surely, 2^79924080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79924080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129277440).

79924080 is an abundant number, since it is smaller than the sum of its proper divisors (178630800).

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

79924080 is a wasteful number, since it uses less digits than its factorization.

79924080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14518 (or 14512 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 79924080 is about 8940.0268455973. The cubic root of 79924080 is about 430.7505909648.

The spelling of 79924080 in words is "seventy-nine million, nine hundred twenty-four thousand, eighty".