79904998 has 32 divisors (see below), whose sum is σ = 131375520. Its totient is φ = 36303360.

The previous prime is 79904987. The next prime is 79904999. The reversal of 79904998 is 89940997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79904999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122040 + ... + 122692.

It is an arithmetic number, because the mean of its divisors is an integer number (4105485).

Almost surely, 2^79904998 is an apocalyptic number.

79904998 is a deficient number, since it is larger than the sum of its proper divisors (51470522).

79904998 is a wasteful number, since it uses less digits than its factorization.

79904998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 79904998 is about 8938.9595591433. The cubic root of 79904998 is about 430.7163074422.

The spelling of 79904998 in words is "seventy-nine million, nine hundred four thousand, nine hundred ninety-eight".