99888868 has 12 divisors (see below), whose sum is σ = 174895420. Its totient is φ = 49918752.

The previous prime is 99888857. The next prime is 99888869. The reversal of 99888868 is 86888899.

It can be written as a sum of positive squares in 2 ways, for example, as 67535524 + 32353344 = 8218^2 + 5688^2 .

It is not an unprimeable number, because it can be changed into a prime (99888869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4330 + ... + 14782.

Almost surely, 2^99888868 is an apocalyptic number.

It is an amenable number.

99888868 is a deficient number, since it is larger than the sum of its proper divisors (75006552).

99888868 is a wasteful number, since it uses less digits than its factorization.

99888868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846 (or 12844 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 64.

The square root of 99888868 is about 9994.4418553514. The cubic root of 99888868 is about 463.9868766106.

The spelling of 99888868 in words is "ninety-nine million, eight hundred eighty-eight thousand, eight hundred sixty-eight".