8105616256879 has 32 divisors (see below), whose sum is σ = 9150351537600. Its totient is φ = 7134899281920.

The previous prime is 8105616256861. The next prime is 8105616256901. The reversal of 8105616256879 is 9786526165018.

It is not a de Polignac number, because 8105616256879 - 2²⁵ = 8105582702447 is a prime.

It is a super-2 number, since 2×8105616256879² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8105616256879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105616256849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7503427 + ... + 8515435.

It is an arithmetic number, because the mean of its divisors is an integer number (285948485550).

Almost surely, 2^{8105616256879} is an apocalyptic number.

8105616256879 is a deficient number, since it is larger than the sum of its proper divisors (1044735280721).

8105616256879 is a wasteful number, since it uses less digits than its factorization.

8105616256879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012363.

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 8105616256879 in words is "eight trillion, one hundred five billion, six hundred sixteen million, two hundred fifty-six thousand, eight hundred seventy-nine".