79094708009 has 4 divisors (see below), whose sum is σ = 79097898180. Its totient is φ = 79091517840.

The previous prime is 79094707927. The next prime is 79094708041. The reversal of 79094708009 is 90080749097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71676675625 + 7418032384 = 267725^2 + 86128^2 .

It is a cyclic number.

It is not a de Polignac number, because 79094708009 - 2²⁰ = 79093659433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79094708059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557602 + ... + 1607579.

It is an arithmetic number, because the mean of its divisors is an integer number (19774474545).

Almost surely, 2^79094708009 is an apocalyptic number.

It is an amenable number.

79094708009 is a deficient number, since it is larger than the sum of its proper divisors (3190171).

79094708009 is a wasteful number, since it uses less digits than its factorization.

79094708009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190170.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 79094708009 in words is "seventy-nine billion, ninety-four million, seven hundred eight thousand, nine".