79171314465 has 48 divisors (see below), whose sum is σ = 135248363712. Its totient is φ = 39538738176.

The previous prime is 79171314457. The next prime is 79171314553. The reversal of 79171314465 is 56441317197.

It is not a de Polignac number, because 79171314465 - 2³ = 79171314457 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 807642 + ... + 900348.

It is an arithmetic number, because the mean of its divisors is an integer number (2817674244).

Almost surely, 2^79171314465 is an apocalyptic number.

It is an amenable number.

79171314465 is a deficient number, since it is larger than the sum of its proper divisors (56077049247).

79171314465 is a wasteful number, since it uses less digits than its factorization.

79171314465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92946 (or 92929 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The spelling of 79171314465 in words is "seventy-nine billion, one hundred seventy-one million, three hundred fourteen thousand, four hundred sixty-five".