79777922315 has 32 divisors (see below), whose sum is σ = 121626710016. Its totient is φ = 48867857280.

The previous prime is 79777922249. The next prime is 79777922347. The reversal of 79777922315 is 51322977797.

It is not a de Polignac number, because 79777922315 - 2¹⁴ = 79777905931 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2813897 + ... + 2842106.

It is an arithmetic number, because the mean of its divisors is an integer number (3800834688).

Almost surely, 2^79777922315 is an apocalyptic number.

79777922315 is a deficient number, since it is larger than the sum of its proper divisors (41848787701).

79777922315 is a wasteful number, since it uses less digits than its factorization.

79777922315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656059.

The product of its digits is 11668860, while the sum is 59.

The spelling of 79777922315 in words is "seventy-nine billion, seven hundred seventy-seven million, nine hundred twenty-two thousand, three hundred fifteen".