99542800 has 120 divisors (see below), whose sum is σ = 277629056. Its totient is φ = 33592320.

The previous prime is 99542777. The next prime is 99542831. The reversal of 99542800 is 824599.

It is a self number, because there is not a number n which added to its sum of digits gives 99542800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204157 + ... + 204643.

Almost surely, 2^99542800 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 99542800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138814528).

99542800 is an abundant number, since it is smaller than the sum of its proper divisors (178086256).

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

99542800 is a wasteful number, since it uses less digits than its factorization.

99542800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 99542800 is about 9977.1138111179. The cubic root of 99542800 is about 463.4504244321.

The spelling of 99542800 in words is "ninety-nine million, five hundred forty-two thousand, eight hundred".