79101959 has 6 divisors (see below), whose sum is σ = 83484720. Its totient is φ = 74938356.

The previous prime is 79101947. The next prime is 79101973. The reversal of 79101959 is 95910197.

It is a happy number.

It is not a de Polignac number, because 79101959 - 2¹⁶ = 79036423 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 (79101929) 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, 109199 + ... + 109920.

It is an arithmetic number, because the mean of its divisors is an integer number (13914120).

Almost surely, 2^79101959 is an apocalyptic number.

79101959 is a deficient number, since it is larger than the sum of its proper divisors (4382761).

79101959 is a wasteful number, since it uses less digits than its factorization.

79101959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219157 (or 219138 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 79101959 is about 8893.9282097395. The cubic root of 79101959 is about 429.2685581975.

The spelling of 79101959 in words is "seventy-nine million, one hundred one thousand, nine hundred fifty-nine".