79659699 has 16 divisors (see below), whose sum is σ = 121635072. Its totient is φ = 45426528.

The previous prime is 79659691. The next prime is 79659709. The reversal of 79659699 is 99695697.

It is not a de Polignac number, because 79659699 - 2³ = 79659691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79659691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7357 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (7602192).

Almost surely, 2^79659699 is an apocalyptic number.

79659699 is a deficient number, since it is larger than the sum of its proper divisors (41975373).

79659699 is a wasteful number, since it uses less digits than its factorization.

79659699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786.

The product of its digits is 8266860, while the sum is 60.

The square root of 79659699 is about 8925.2282323759. The cubic root of 79659699 is about 430.2751060891.

The spelling of 79659699 in words is "seventy-nine million, six hundred fifty-nine thousand, six hundred ninety-nine".