79901199 has 24 divisors (see below), whose sum is σ = 133765632. Its totient is φ = 45012240.

The previous prime is 79901179. The next prime is 79901203. The reversal of 79901199 is 99110997.

It is not a de Polignac number, because 79901199 - 2⁸ = 79900943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79901179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (5573568).

Almost surely, 2^79901199 is an apocalyptic number.

79901199 is a deficient number, since it is larger than the sum of its proper divisors (53864433).

79901199 is a wasteful number, since it uses less digits than its factorization.

79901199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17947 (or 17944 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 45.

The square root of 79901199 is about 8938.7470598513. The cubic root of 79901199 is about 430.7094813477.

The spelling of 79901199 in words is "seventy-nine million, nine hundred one thousand, one hundred ninety-nine".