99107998 has 16 divisors (see below), whose sum is σ = 163079280. Its totient is φ = 44798400.

The previous prime is 99107963. The next prime is 99108013. The reversal of 99107998 is 89970199.

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 7 ways as a sum of consecutive naturals, for example, 8463 + ... + 16426.

It is an arithmetic number, because the mean of its divisors is an integer number (10192455).

Almost surely, 2^99107998 is an apocalyptic number.

99107998 is a deficient number, since it is larger than the sum of its proper divisors (63971282).

99107998 is a wasteful number, since it uses less digits than its factorization.

99107998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25083.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 99107998 is about 9955.2999954798. The cubic root of 99107998 is about 462.7746572171.

The spelling of 99107998 in words is "ninety-nine million, one hundred seven thousand, nine hundred ninety-eight".