79155109264 has 80 divisors (see below), whose sum is σ = 191272329216. Its totient is φ = 30828931200.

The previous prime is 79155109219. The next prime is 79155109273. The reversal of 79155109264 is 46290155197.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4168239 + ... + 4187185.

Almost surely, 2^79155109264 is an apocalyptic number.

It is an amenable number.

79155109264 is an abundant number, since it is smaller than the sum of its proper divisors (112117219952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79155109264 is a wasteful number, since it uses less digits than its factorization.

79155109264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22364 (or 22358 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 79155109264 in words is "seventy-nine billion, one hundred fifty-five million, one hundred nine thousand, two hundred sixty-four".