79998888 has 32 divisors (see below), whose sum is σ = 204255360. Its totient is φ = 26098560.

The previous prime is 79998881. The next prime is 79998931. The reversal of 79998888 is 88889997.

It is not an unprimeable number, because it can be changed into a prime (79998881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34333 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (6382980).

Almost surely, 2^79998888 is an apocalyptic number.

It is an amenable number.

79998888 is an abundant number, since it is smaller than the sum of its proper divisors (124256472).

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

79998888 is a wasteful number, since it uses less digits than its factorization.

79998888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70977 (or 70973 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 66.

The square root of 79998888 is about 8944.2097470934. The cubic root of 79998888 is about 430.8849415543.

The spelling of 79998888 in words is "seventy-nine million, nine hundred ninety-eight thousand, eight hundred eighty-eight".