79918508735 has 16 divisors (see below), whose sum is σ = 103286189664. Its totient is φ = 59012810112.

The previous prime is 79918508711. The next prime is 79918508737. The reversal of 79918508735 is 53780581997.

It is a cyclic number.

It is not a de Polignac number, because 79918508735 - 2²⁰ = 79917460159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79918508737) 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, 1253489 + ... + 1315701.

It is an arithmetic number, because the mean of its divisors is an integer number (6455386854).

Almost surely, 2^79918508735 is an apocalyptic number.

79918508735 is a deficient number, since it is larger than the sum of its proper divisors (23367680929).

79918508735 is a wasteful number, since it uses less digits than its factorization.

79918508735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81994.

The product of its (nonzero) digits is 19051200, while the sum is 62.

The spelling of 79918508735 in words is "seventy-nine billion, nine hundred eighteen million, five hundred eight thousand, seven hundred thirty-five".