79618698 has 12 divisors (see below), whose sum is σ = 172507218. Its totient is φ = 26539560.

The previous prime is 79618697. The next prime is 79618703. The reversal of 79618698 is 89681697.

It can be written as a sum of positive squares in only one way, i.e., 62204769 + 17413929 = 7887^2 + 4173^2 .

It is not an unprimeable number, because it can be changed into a prime (79618697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2211613 + ... + 2211648.

Almost surely, 2^79618698 is an apocalyptic number.

79618698 is an abundant number, since it is smaller than the sum of its proper divisors (92888520).

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

79618698 is a wasteful number, since it uses less digits than its factorization.

79618698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423269 (or 4423266 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 79618698 is about 8922.9310206905. The cubic root of 79618698 is about 430.2012722792.

The spelling of 79618698 in words is "seventy-nine million, six hundred eighteen thousand, six hundred ninety-eight".