99187099 has 8 divisors (see below), whose sum is σ = 108592560. Its totient is φ = 89846400.

The previous prime is 99187097. The next prime is 99187133. The reversal of 99187099 is 99078199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99187099 - 2¹ = 99187097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99187097) 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 7 ways as a sum of consecutive naturals, for example, 12954 + ... + 19135.

It is an arithmetic number, because the mean of its divisors is an integer number (13574070).

Almost surely, 2^99187099 is an apocalyptic number.

99187099 is a deficient number, since it is larger than the sum of its proper divisors (9405461).

99187099 is a wasteful number, since it uses less digits than its factorization.

99187099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381.

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

The square root of 99187099 is about 9959.2720115478. The cubic root of 99187099 is about 462.8977424859.

Subtracting from 99187099 its reverse (99078199), we obtain a square (108900 = 330²).

The spelling of 99187099 in words is "ninety-nine million, one hundred eighty-seven thousand, ninety-nine".