872479564766 has 16 divisors (see below), whose sum is σ = 1315564721856. Its totient is φ = 433958671776.

The previous prime is 872479564727. The next prime is 872479564777. The reversal of 872479564766 is 667465974278.

It is a super-2 number, since 2×872479564766² (a number of 25 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 872479564766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448155 + ... + 2781801.

It is an arithmetic number, because the mean of its divisors is an integer number (82222795116).

Almost surely, 2^872479564766 is an apocalyptic number.

872479564766 is a deficient number, since it is larger than the sum of its proper divisors (443085157090).

872479564766 is a wasteful number, since it uses less digits than its factorization.

872479564766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340483.

The product of its digits is 853493760, while the sum is 71.

The spelling of 872479564766 in words is "eight hundred seventy-two billion, four hundred seventy-nine million, five hundred sixty-four thousand, seven hundred sixty-six".