8988207865156 has 27 divisors (see below), whose sum is σ = 17032535693271. Its totient is φ = 4148367653664.

The previous prime is 8988207865139. The next prime is 8988207865159. The reversal of 8988207865156 is 6515687028898.

The square root of 8988207865156 is 2998034.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4881846060100 + 4106361805056 = 2209490^2 + 2026416^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8988207865159) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 77891230 + ... + 78006538.

Almost surely, 2^{8988207865156} is an apocalyptic number.

8988207865156 is the 2998034-th square number.

It is an amenable number.

8988207865156 is a deficient number, since it is larger than the sum of its proper divisors (8044327828115).

8988207865156 is an frugal number, since it uses more digits than its factorization.

8988207865156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230648 (or 115324 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 73.

The spelling of 8988207865156 in words is "eight trillion, nine hundred eighty-eight billion, two hundred seven million, eight hundred sixty-five thousand, one hundred fifty-six".