8993809536 has 64 divisors (see below), whose sum is σ = 23900313600. Its totient is φ = 2996618240.

The previous prime is 8993809501. The next prime is 8993809547. The reversal of 8993809536 is 6359083998.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 8993809536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297921 + ... + 1304831.

It is an arithmetic number, because the mean of its divisors is an integer number (373442400).

Almost surely, 2^8993809536 is an apocalyptic number.

It is an amenable number.

8993809536 is an abundant number, since it is smaller than the sum of its proper divisors (14906504064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8993809536 is a wasteful number, since it uses less digits than its factorization.

8993809536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317 (or 10305 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The square root of 8993809536 is about 94835.6975827141. The cubic root of 8993809536 is about 2079.6067994418.

The spelling of 8993809536 in words is "eight billion, nine hundred ninety-three million, eight hundred nine thousand, five hundred thirty-six".