79988764119 has 16 divisors (see below), whose sum is σ = 121405872384. Its totient is φ = 46370297600.

The previous prime is 79988764111. The next prime is 79988764139. The reversal of 79988764119 is 91146788997.

It is not a de Polignac number, because 79988764119 - 2³ = 79988764111 is a prime.

It is a super-2 number, since 2×79988764119² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79988764111) 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, 52692762 + ... + 52694279.

It is an arithmetic number, because the mean of its divisors is an integer number (7587867024).

Almost surely, 2^79988764119 is an apocalyptic number.

79988764119 is a deficient number, since it is larger than the sum of its proper divisors (41417108265).

79988764119 is a wasteful number, since it uses less digits than its factorization.

79988764119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105387078.

The product of its digits is 54867456, while the sum is 69.

The spelling of 79988764119 in words is "seventy-nine billion, nine hundred eighty-eight million, seven hundred sixty-four thousand, one hundred nineteen".