99657704 has 8 divisors (see below), whose sum is σ = 186858210. Its totient is φ = 49828848.

The previous prime is 99657697. The next prime is 99657707. The reversal of 99657704 is 40775699.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 9597604 = 9490^2 + 3098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (99657707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228599 + ... + 6228614.

Almost surely, 2^99657704 is an apocalyptic number.

It is an amenable number.

99657704 is a deficient number, since it is larger than the sum of its proper divisors (87200506).

99657704 is a wasteful number, since it uses less digits than its factorization.

99657704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457219 (or 12457215 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 99657704 is about 9982.8705290613. The cubic root of 99657704 is about 463.6286788469.

The spelling of 99657704 in words is "ninety-nine million, six hundred fifty-seven thousand, seven hundred four".