79114639 has 8 divisors (see below), whose sum is σ = 82260000. Its totient is φ = 75997152.

The previous prime is 79114603. The next prime is 79114649. The reversal of 79114639 is 93641197.

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

It is a cyclic number.

It is not a de Polignac number, because 79114639 - 2⁹ = 79114127 is a prime.

It is a super-2 number, since 2×79114639² = 12518252208200642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79114649) 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, 1084 + ... + 12625.

It is an arithmetic number, because the mean of its divisors is an integer number (10282500).

Almost surely, 2^79114639 is an apocalyptic number.

79114639 is a deficient number, since it is larger than the sum of its proper divisors (3145361).

79114639 is a wasteful number, since it uses less digits than its factorization.

79114639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937.

The product of its digits is 40824, while the sum is 40.

The square root of 79114639 is about 8894.6410270454. The cubic root of 79114639 is about 429.2914941423.

The spelling of 79114639 in words is "seventy-nine million, one hundred fourteen thousand, six hundred thirty-nine".