99773312 has 32 divisors (see below), whose sum is σ = 204148920. Its totient is φ = 48536064.

The previous prime is 99773309. The next prime is 99773321. The reversal of 99773312 is 21337799.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 99773312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798 + ... + 15269.

Almost surely, 2^99773312 is an apocalyptic number.

It is an amenable number.

99773312 is an abundant number, since it is smaller than the sum of its proper divisors (104375608).

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

99773312 is a wasteful number, since it uses less digits than its factorization.

99773312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118 (or 21106 counting only the distinct ones).

The product of its digits is 71442, while the sum is 41.

The square root of 99773312 is about 9988.6591692779. The cubic root of 99773312 is about 463.8078871756.

The spelling of 99773312 in words is "ninety-nine million, seven hundred seventy-three thousand, three hundred twelve".