8728598664 has 128 divisors (see below), whose sum is σ = 25274620800. Its totient is φ = 2788473600.

The previous prime is 8728598623. The next prime is 8728598717. The reversal of 8728598664 is 4668958278.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527314 + ... + 543614.

It is an arithmetic number, because the mean of its divisors is an integer number (197457975).

Almost surely, 2^8728598664 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 8728598664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12637310400).

8728598664 is an abundant number, since it is smaller than the sum of its proper divisors (16546022136).

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

8728598664 is a wasteful number, since it uses less digits than its factorization.

8728598664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420 (or 16410 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The square root of 8728598664 is about 93426.9696822069. The cubic root of 8728598664 is about 2058.9612590731.

The spelling of 8728598664 in words is "eight billion, seven hundred twenty-eight million, five hundred ninety-eight thousand, six hundred sixty-four".