8985708864 has 224 divisors, whose sum is σ = 29088892800. Its totient is φ = 2697338880.

The previous prime is 8985708847. The next prime is 8985708877. The reversal of 8985708864 is 4688075898.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2069704 + ... + 2074040.

Almost surely, 2^8985708864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8985708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14544446400).

8985708864 is an abundant number, since it is smaller than the sum of its proper divisors (20103183936).

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

8985708864 is a wasteful number, since it uses less digits than its factorization.

8985708864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The square root of 8985708864 is about 94792.9789805131. The cubic root of 8985708864 is about 2078.9822486402.

The spelling of 8985708864 in words is "eight billion, nine hundred eighty-five million, seven hundred eight thousand, eight hundred sixty-four".