99968768 has 18 divisors (see below), whose sum is σ = 199547544. Its totient is φ = 49984256.

The previous prime is 99968767. The next prime is 99968777. The reversal of 99968768 is 86786999.

It is a self number, because there is not a number n which added to its sum of digits gives 99968768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99968767) by changing a digit.

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 as a sum of consecutive naturals, namely, 194996 + ... + 195507.

Almost surely, 2^99968768 is an apocalyptic number.

It is an amenable number.

99968768 is a deficient number, since it is larger than the sum of its proper divisors (99578776).

99968768 is an equidigital number, since it uses as much as digits as its factorization.

99968768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390519 (or 390505 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 62.

The square root of 99968768 is about 9998.4382780512. The cubic root of 99968768 is about 464.1105562956.

The spelling of 99968768 in words is "ninety-nine million, nine hundred sixty-eight thousand, seven hundred sixty-eight".