79147332915 has 32 divisors (see below), whose sum is σ = 144787792896. Its totient is φ = 36166327680.

The previous prime is 79147332911. The next prime is 79147332937. The reversal of 79147332915 is 51923374197.

It is not a de Polignac number, because 79147332915 - 2² = 79147332911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79147332911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91714 + ... + 408296.

It is an arithmetic number, because the mean of its divisors is an integer number (4524618528).

Almost surely, 2^79147332915 is an apocalyptic number.

79147332915 is a deficient number, since it is larger than the sum of its proper divisors (65640459981).

79147332915 is a wasteful number, since it uses less digits than its factorization.

79147332915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318979.

The product of its digits is 1428840, while the sum is 51.

The spelling of 79147332915 in words is "seventy-nine billion, one hundred forty-seven million, three hundred thirty-two thousand, nine hundred fifteen".