872768444518 has 32 divisors (see below), whose sum is σ = 1317857587200. Its totient is φ = 433495359360.

The previous prime is 872768444479. The next prime is 872768444533. The reversal of 872768444518 is 815444867278.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 872768444518.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 243584155 + ... + 243587737.

It is an arithmetic number, because the mean of its divisors is an integer number (41183049600).

Almost surely, 2^872768444518 is an apocalyptic number.

872768444518 is a deficient number, since it is larger than the sum of its proper divisors (445089142682).

872768444518 is a wasteful number, since it uses less digits than its factorization.

872768444518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its digits is 96337920, while the sum is 64.

The spelling of 872768444518 in words is "eight hundred seventy-two billion, seven hundred sixty-eight million, four hundred forty-four thousand, five hundred eighteen".