8913998912 has 224 divisors, whose sum is σ = 22749296640. Its totient is φ = 3370844160.

The previous prime is 8913998911. The next prime is 8913998923. The reversal of 8913998912 is 2198993198.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (8913998911) by changing a digit.

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, 17512514 + ... + 17513022.

It is an arithmetic number, because the mean of its divisors is an integer number (101559360).

Almost surely, 2^8913998912 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 8913998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374648320).

8913998912 is an abundant number, since it is smaller than the sum of its proper divisors (13835297728).

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

8913998912 is a wasteful number, since it uses less digits than its factorization.

8913998912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 659 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 59.

The square root of 8913998912 is about 94413.9762535187. The cubic root of 8913998912 is about 2073.4370704762.

The spelling of 8913998912 in words is "eight billion, nine hundred thirteen million, nine hundred ninety-eight thousand, nine hundred twelve".