99788700 has 108 divisors (see below), whose sum is σ = 317471000. Its totient is φ = 24182400.

The previous prime is 99788639. The next prime is 99788719. The reversal of 99788700 is 788799.

It is a self number, because there is not a number n which added to its sum of digits gives 99788700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34926 + ... + 37674.

Almost surely, 2^99788700 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 99788700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158735500).

99788700 is an abundant number, since it is smaller than the sum of its proper divisors (217682300).

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

99788700 is a wasteful number, since it uses less digits than its factorization.

99788700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 99788700 is about 9989.4294131347. The cubic root of 99788700 is about 463.8317302546.

The spelling of 99788700 in words is "ninety-nine million, seven hundred eighty-eight thousand, seven hundred".