79928898 has 24 divisors (see below), whose sum is σ = 185957712. Its totient is φ = 22836744.

The previous prime is 79928897. The next prime is 79928921. The reversal of 79928898 is 89882997.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (79928897) 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, 135640 + ... + 136227.

It is an arithmetic number, because the mean of its divisors is an integer number (7748238).

Almost surely, 2^79928898 is an apocalyptic number.

79928898 is an abundant number, since it is smaller than the sum of its proper divisors (106028814).

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

79928898 is a wasteful number, since it uses less digits than its factorization.

79928898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271886 (or 271879 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 60.

The square root of 79928898 is about 8940.2963038145. The cubic root of 79928898 is about 430.7592463231.

The spelling of 79928898 in words is "seventy-nine million, nine hundred twenty-eight thousand, eight hundred ninety-eight".