8999500556 has 24 divisors (see below), whose sum is σ = 16849806960. Its totient is φ = 4193035200.

The previous prime is 8999500553. The next prime is 8999500561. The reversal of 8999500556 is 6550059998.

It is not an unprimeable number, because it can be changed into a prime (8999500553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965975 + ... + 975246.

It is an arithmetic number, because the mean of its divisors is an integer number (702075290).

Almost surely, 2^8999500556 is an apocalyptic number.

It is an amenable number.

8999500556 is a deficient number, since it is larger than the sum of its proper divisors (7850306404).

8999500556 is a wasteful number, since it uses less digits than its factorization.

8999500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941305 (or 1941303 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 56.

The square root of 8999500556 is about 94865.6974675251. The cubic root of 8999500556 is about 2080.0453451037.

The spelling of 8999500556 in words is "eight billion, nine hundred ninety-nine million, five hundred thousand, five hundred fifty-six".