99108899 has 4 divisors (see below), whose sum is σ = 99662760. Its totient is φ = 98555040.

The previous prime is 99108847. The next prime is 99108913. The reversal of 99108899 is 99880199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99108899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99108899.

It is not an unprimeable number, because it can be changed into a prime (99108809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276662 + ... + 277019.

It is an arithmetic number, because the mean of its divisors is an integer number (24915690).

Almost surely, 2^99108899 is an apocalyptic number.

99108899 is a deficient number, since it is larger than the sum of its proper divisors (553861).

99108899 is a wasteful number, since it uses less digits than its factorization.

99108899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553860.

The product of its (nonzero) digits is 419904, while the sum is 53.

The square root of 99108899 is about 9955.3452476546. The cubic root of 99108899 is about 462.7760595886.

The spelling of 99108899 in words is "ninety-nine million, one hundred eight thousand, eight hundred ninety-nine".