79165913 has 8 divisors (see below), whose sum is σ = 83445120. Its totient is φ = 74898000.

The previous prime is 79165897. The next prime is 79165939. The reversal of 79165913 is 31956197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79165913 - 2⁴ = 79165897 is a prime.

It is a super-2 number, since 2×79165913² = 12534483562247138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79165943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14288 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (10430640).

Almost surely, 2^79165913 is an apocalyptic number.

It is an amenable number.

79165913 is a deficient number, since it is larger than the sum of its proper divisors (4279207).

79165913 is a wasteful number, since it uses less digits than its factorization.

79165913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647.

The product of its digits is 51030, while the sum is 41.

The square root of 79165913 is about 8897.5228575149. The cubic root of 79165913 is about 429.3842150296.

The spelling of 79165913 in words is "seventy-nine million, one hundred sixty-five thousand, nine hundred thirteen".