79127685 has 160 divisors (see below), whose sum is σ = 185391360. Its totient is φ = 31352832.

The previous prime is 79127681. The next prime is 79127687. The reversal of 79127685 is 58672197.

It is not a de Polignac number, because 79127685 - 2² = 79127681 is a prime.

It is a super-2 number, since 2×79127685² = 12522381066918450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (211680) is a multiple of the sum of its prime divisors (160).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79127685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79127681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 700189 + ... + 700301.

It is an arithmetic number, because the mean of its divisors is an integer number (1158696).

Almost surely, 2^79127685 is an apocalyptic number.

It is an amenable number.

79127685 is an abundant number, since it is smaller than the sum of its proper divisors (106263675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79127685 is a wasteful number, since it uses less digits than its factorization.

79127685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 160 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 79127685 is about 8895.3743597445. The cubic root of 79127685 is about 429.3150895607.

The spelling of 79127685 in words is "seventy-nine million, one hundred twenty-seven thousand, six hundred eighty-five".