99885112800 has 864 divisors, whose sum is σ = 385841554560. Its totient is φ = 22353408000.

The previous prime is 99885112771. The next prime is 99885112829. The reversal of 99885112800 is 821158899.

It is an interprime number because it is at equal distance from previous prime (99885112771) and next prime (99885112829).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 237256590 + ... + 237257010.

Almost surely, 2^99885112800 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 99885112800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192920777280).

99885112800 is an abundant number, since it is smaller than the sum of its proper divisors (285956441760).

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

99885112800 is a wasteful number, since it uses less digits than its factorization.

99885112800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 51.

The spelling of 99885112800 in words is "ninety-nine billion, eight hundred eighty-five million, one hundred twelve thousand, eight hundred".