99899696232 has 96 divisors (see below), whose sum is σ = 309626254080. Its totient is φ = 28504656000.

The previous prime is 99899696191. The next prime is 99899696249. The reversal of 99899696232 is 23269699899.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 246538 + ... + 510470.

It is an arithmetic number, because the mean of its divisors is an integer number (3225273480).

Almost surely, 2^99899696232 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 99899696232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154813127040).

99899696232 is an abundant number, since it is smaller than the sum of its proper divisors (209726557848).

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

99899696232 is a wasteful number, since it uses less digits than its factorization.

99899696232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264703 (or 264696 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 72.

The spelling of 99899696232 in words is "ninety-nine billion, eight hundred ninety-nine million, six hundred ninety-six thousand, two hundred thirty-two".