99913089328 has 120 divisors (see below), whose sum is σ = 214582359600. Its totient is φ = 45032113152.

The previous prime is 99913089301. The next prime is 99913089329. The reversal of 99913089328 is 82398031999.

99913089328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (99913089329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25045158 + ... + 25049146.

It is an arithmetic number, because the mean of its divisors is an integer number (1788186330).

Almost surely, 2^99913089328 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 99913089328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107291179800).

99913089328 is an abundant number, since it is smaller than the sum of its proper divisors (114669270272).

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

99913089328 is a wasteful number, since it uses less digits than its factorization.

99913089328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 61.

The spelling of 99913089328 in words is "ninety-nine billion, nine hundred thirteen million, eighty-nine thousand, three hundred twenty-eight".