79901198 has 16 divisors (see below), whose sum is σ = 133236096. Its totient is φ = 35687520.

The previous prime is 79901179. The next prime is 79901203. The reversal of 79901198 is 89110997.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48761 + ... + 50372.

It is an arithmetic number, because the mean of its divisors is an integer number (8327256).

Almost surely, 2^79901198 is an apocalyptic number.

79901198 is a deficient number, since it is larger than the sum of its proper divisors (53334898).

79901198 is a wasteful number, since it uses less digits than its factorization.

79901198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99179.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 79901198 is about 8938.7470039150. The cubic root of 79901198 is about 430.7094795509.

The spelling of 79901198 in words is "seventy-nine million, nine hundred one thousand, one hundred ninety-eight".