79518026188 has 12 divisors (see below), whose sum is σ = 139158556992. Its totient is φ = 39758438480.

The previous prime is 79518026183. The next prime is 79518026207. The reversal of 79518026188 is 88162081597.

It is a super-2 number, since 2×79518026188² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79518026183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378981 + ... + 550147.

It is an arithmetic number, because the mean of its divisors is an integer number (11596546416).

Almost surely, 2^79518026188 is an apocalyptic number.

It is an amenable number.

79518026188 is a deficient number, since it is larger than the sum of its proper divisors (59640530804).

79518026188 is a wasteful number, since it uses less digits than its factorization.

79518026188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287312 (or 287310 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 79518026188 in words is "seventy-nine billion, five hundred eighteen million, twenty-six thousand, one hundred eighty-eight".