79536788643 has 16 divisors (see below), whose sum is σ = 114216376736. Its totient is φ = 48941556480.

The previous prime is 79536788627. The next prime is 79536788651. The reversal of 79536788643 is 34688763597.

It is not a de Polignac number, because 79536788643 - 2⁴ = 79536788627 is a prime.

It is a super-2 number, since 2×79536788643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79536788623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414873 + ... + 575493.

It is an arithmetic number, because the mean of its divisors is an integer number (7138523546).

Almost surely, 2^79536788643 is an apocalyptic number.

79536788643 is a deficient number, since it is larger than the sum of its proper divisors (34679588093).

79536788643 is a wasteful number, since it uses less digits than its factorization.

79536788643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173334.

The product of its digits is 182891520, while the sum is 66.

The spelling of 79536788643 in words is "seventy-nine billion, five hundred thirty-six million, seven hundred eighty-eight thousand, six hundred forty-three".