9988946912 has 96 divisors (see below), whose sum is σ = 23790574080. Its totient is φ = 4032944640.

The previous prime is 9988946899. The next prime is 9988946939. The reversal of 9988946912 is 2196498899.

9988946912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763853 + ... + 776819.

It is an arithmetic number, because the mean of its divisors is an integer number (247818480).

Almost surely, 2^9988946912 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 9988946912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11895287040).

9988946912 is an abundant number, since it is smaller than the sum of its proper divisors (13801627168).

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

9988946912 is a wasteful number, since it uses less digits than its factorization.

9988946912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184 (or 13176 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 65.

The square root of 9988946912 is about 99944.7192802101. The cubic root of 9988946912 is about 2153.6406255238.

The spelling of 9988946912 in words is "nine billion, nine hundred eighty-eight million, nine hundred forty-six thousand, nine hundred twelve".