79885444458897 has 96 divisors (see below), whose sum is σ = 144349581182976. Its totient is φ = 41358611923200.

The previous prime is 79885444458881. The next prime is 79885444458931.

79885444458897 is a `hidden beast` number, since 7 + 9 + 8 + 8 + 544 + 4 + 4 + 58 + 8 + 9 + 7 = 666.

79885444458897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79885444458897 - 2⁴ = 79885444458881 is a prime.

It is a super-2 number, since 2×79885444458897² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79885444458697) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1267367772 + ... + 1267430802.

It is an arithmetic number, because the mean of its divisors is an integer number (1503641470656).

Almost surely, 2^{79885444458897} is an apocalyptic number.

79885444458897 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

79885444458897 is a deficient number, since it is larger than the sum of its proper divisors (64464136724079).

79885444458897 is a wasteful number, since it uses less digits than its factorization.

79885444458897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69211 (or 69208 counting only the distinct ones).

The product of its digits is 104044953600, while the sum is 90.

The spelling of 79885444458897 in words is "seventy-nine trillion, eight hundred eighty-five billion, four hundred forty-four million, four hundred fifty-eight thousand, eight hundred ninety-seven".