8999559970 has 32 divisors (see below), whose sum is σ = 16481445120. Its totient is φ = 3537224640.

The previous prime is 8999559949. The next prime is 8999559971. The reversal of 8999559970 is 799559998.

It is a self number, because there is not a number n which added to its sum of digits gives 8999559970.

It is not an unprimeable number, because it can be changed into a prime (8999559971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641491 + ... + 655369.

It is an arithmetic number, because the mean of its divisors is an integer number (515045160).

Almost surely, 2^8999559970 is an apocalyptic number.

8999559970 is a deficient number, since it is larger than the sum of its proper divisors (7481885150).

8999559970 is a wasteful number, since it uses less digits than its factorization.

8999559970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010.

The product of its (nonzero) digits is 82668600, while the sum is 70.

The square root of 8999559970 is about 94866.0106149721. The cubic root of 8999559970 is about 2080.0499225259.

The spelling of 8999559970 in words is "eight billion, nine hundred ninety-nine million, five hundred fifty-nine thousand, nine hundred seventy".