99199199 has 16 divisors (see below), whose sum is σ = 116756640. Its totient is φ = 83266560.

The previous prime is 99199181. The next prime is 99199201.

99199199 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99199199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99199159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4907 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (7297290).

Almost surely, 2^99199199 is an apocalyptic number.

99199199 is a deficient number, since it is larger than the sum of its proper divisors (17557441).

99199199 is a wasteful number, since it uses less digits than its factorization.

99199199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090.

The product of its digits is 531441, while the sum is 56.

The square root of 99199199 is about 9959.8794671422. The cubic root of 99199199 is about 462.9165649436.

The spelling of 99199199 in words is "ninety-nine million, one hundred ninety-nine thousand, one hundred ninety-nine".