79164959 has 4 divisors (see below), whose sum is σ = 79182840. Its totient is φ = 79147080.

The previous prime is 79164947. The next prime is 79164991. The reversal of 79164959 is 95946197.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 95946197 = 241 ⋅398117.

It is a cyclic number.

It is not a de Polignac number, because 79164959 - 2⁸ = 79164703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79164259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (19795710).

Almost surely, 2^79164959 is an apocalyptic number.

79164959 is a deficient number, since it is larger than the sum of its proper divisors (17881).

79164959 is an equidigital number, since it uses as much as digits as its factorization.

79164959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880.

The product of its digits is 612360, while the sum is 50.

The square root of 79164959 is about 8897.4692469263. The cubic root of 79164959 is about 429.3824902377.

The spelling of 79164959 in words is "seventy-nine million, one hundred sixty-four thousand, nine hundred fifty-nine".