8816789998864 has 15 divisors (see below), whose sum is σ = 17082553634967. Its totient is φ = 4408389060816.

The previous prime is 8816789998843. The next prime is 8816789998871. The reversal of 8816789998864 is 4688999876188.

The square root of 8816789998864 is 2969308.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11506069 + ... + 12248395.

Almost surely, 2^{8816789998864} is an apocalyptic number.

8816789998864 is the 2969308-th square number.

It is an amenable number.

8816789998864 is a deficient number, since it is larger than the sum of its proper divisors (8265763636103).

8816789998864 is an frugal number, since it uses more digits than its factorization.

8816789998864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484662 (or 742329 counting only the distinct ones).

The product of its digits is 24078974976, while the sum is 91.

The spelling of 8816789998864 in words is "eight trillion, eight hundred sixteen billion, seven hundred eighty-nine million, nine hundred ninety-eight thousand, eight hundred sixty-four".