8872521188 has 12 divisors (see below), whose sum is σ = 15565635372. Its totient is φ = 4425196800.

The previous prime is 8872521179. The next prime is 8872521197. The reversal of 8872521188 is 8811252788.

It is an interprime number because it is at equal distance from previous prime (8872521179) and next prime (8872521197).

It can be written as a sum of positive squares in 2 ways, for example, as 4780616164 + 4091905024 = 69142^2 + 63968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2764145 + ... + 2767352.

It is an arithmetic number, because the mean of its divisors is an integer number (1297136281).

Almost surely, 2^8872521188 is an apocalyptic number.

It is an amenable number.

8872521188 is a deficient number, since it is larger than the sum of its proper divisors (6693114184).

8872521188 is a wasteful number, since it uses less digits than its factorization.

8872521188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531902 (or 5531900 counting only the distinct ones).

The product of its digits is 573440, while the sum is 50.

The square root of 8872521188 is about 94194.0613202340. The cubic root of 8872521188 is about 2070.2160997914.

The spelling of 8872521188 in words is "eight billion, eight hundred seventy-two million, five hundred twenty-one thousand, one hundred eighty-eight".