99563788 has 12 divisors (see below), whose sum is σ = 174419392. Its totient is φ = 49729680.

The previous prime is 99563777. The next prime is 99563831. The reversal of 99563788 is 88736599.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8595 + ... + 16522.

Almost surely, 2^99563788 is an apocalyptic number.

It is an amenable number.

99563788 is a deficient number, since it is larger than the sum of its proper divisors (74855604).

99563788 is a wasteful number, since it uses less digits than its factorization.

99563788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26112 (or 26110 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 99563788 is about 9978.1655628678. The cubic root of 99563788 is about 463.4829940537.

The spelling of 99563788 in words is "ninety-nine million, five hundred sixty-three thousand, seven hundred eighty-eight".