9988929584 has 80 divisors (see below), whose sum is σ = 21189358080. Its totient is φ = 4545434880.

The previous prime is 9988929529. The next prime is 9988929607. The reversal of 9988929584 is 4859298899.

It is a super-2 number, since 2×9988929584² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791129 + ... + 803655.

It is an arithmetic number, because the mean of its divisors is an integer number (264866976).

Almost surely, 2^9988929584 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 9988929584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10594679040).

9988929584 is an abundant number, since it is smaller than the sum of its proper divisors (11200428496).

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

9988929584 is a wasteful number, since it uses less digits than its factorization.

9988929584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658 (or 12652 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 71.

The square root of 9988929584 is about 99944.6325922508. The cubic root of 9988929584 is about 2153.6393802038.

The spelling of 9988929584 in words is "nine billion, nine hundred eighty-eight million, nine hundred twenty-nine thousand, five hundred eighty-four".