99927643200 has 672 divisors, whose sum is σ = 422882933760. Its totient is φ = 20046028800.

The previous prime is 99927643177. The next prime is 99927643201. The reversal of 99927643200 is 234672999.

It is a tau number, because it is divible by the number of its divisors (672).

It is not an unprimeable number, because it can be changed into a prime (99927643201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10713739 + ... + 10723061.

It is an arithmetic number, because the mean of its divisors is an integer number (629290080).

Almost surely, 2^99927643200 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 99927643200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211441466880).

99927643200 is an abundant number, since it is smaller than the sum of its proper divisors (322955290560).

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

99927643200 is a wasteful number, since it uses less digits than its factorization.

99927643200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395 (or 9380 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 99927643200 in words is "ninety-nine billion, nine hundred twenty-seven million, six hundred forty-three thousand, two hundred".