8990555732 has 12 divisors (see below), whose sum is σ = 15799304640. Its totient is φ = 4476468696.

The previous prime is 8990555729. The next prime is 8990555753. The reversal of 8990555732 is 2375550998.

It is a congruent number.

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, 4701218 + ... + 4703129.

It is an arithmetic number, because the mean of its divisors is an integer number (1316608720).

Almost surely, 2^8990555732 is an apocalyptic number.

It is an amenable number.

8990555732 is a deficient number, since it is larger than the sum of its proper divisors (6808748908).

8990555732 is a wasteful number, since it uses less digits than its factorization.

8990555732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404590 (or 9404588 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 53.

The square root of 8990555732 is about 94818.5410771543. The cubic root of 8990555732 is about 2079.3559806582.

The spelling of 8990555732 in words is "eight billion, nine hundred ninety million, five hundred fifty-five thousand, seven hundred thirty-two".