79925874 has 128 divisors (see below), whose sum is σ = 209682432. Its totient is φ = 19768320.

The previous prime is 79925869. The next prime is 79925887. The reversal of 79925874 is 47852997.

It is a Harshad number since it is a multiple of its sum of digits (51).

Its product of digits (1270080) is a multiple of the sum of its prime divisors (240).

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509004 + ... + 509160.

It is an arithmetic number, because the mean of its divisors is an integer number (1638144).

Almost surely, 2^79925874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79925874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104841216).

79925874 is an abundant number, since it is smaller than the sum of its proper divisors (129756558).

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

79925874 is a wasteful number, since it uses less digits than its factorization.

79925874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 1270080, while the sum is 51.

The square root of 79925874 is about 8940.1271803034. The cubic root of 79925874 is about 430.7538138599.

The spelling of 79925874 in words is "seventy-nine million, nine hundred twenty-five thousand, eight hundred seventy-four".