79244971171 has 2 divisors, whose sum is σ = 79244971172. Its totient is φ = 79244971170.

The previous prime is 79244971153. The next prime is 79244971207. The reversal of 79244971171 is 17117944297.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79244971171 - 2⁵ = 79244971139 is a prime.

It is a super-2 number, since 2×79244971171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79244971111) 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 as a sum of consecutive naturals, namely, 39622485585 + 39622485586.

It is an arithmetic number, because the mean of its divisors is an integer number (39622485586).

Almost surely, 2^79244971171 is an apocalyptic number.

79244971171 is a deficient number, since it is larger than the sum of its proper divisors (1).

79244971171 is an equidigital number, since it uses as much as digits as its factorization.

79244971171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 52.

The spelling of 79244971171 in words is "seventy-nine billion, two hundred forty-four million, nine hundred seventy-one thousand, one hundred seventy-one".