99100187 has 2 divisors, whose sum is σ = 99100188. Its totient is φ = 99100186.

The previous prime is 99100153. The next prime is 99100217. The reversal of 99100187 is 78100199.

It is a strong prime.

It is an emirp because it is prime and its reverse (78100199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99100187 - 2¹⁰ = 99099163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99100387) by changing a digit.

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 as a sum of consecutive naturals, namely, 49550093 + 49550094.

It is an arithmetic number, because the mean of its divisors is an integer number (49550094).

Almost surely, 2^99100187 is an apocalyptic number.

99100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

99100187 is an equidigital number, since it uses as much as digits as its factorization.

99100187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 99100187 is about 9954.9076841526. The cubic root of 99100187 is about 462.7624993425.

The spelling of 99100187 in words is "ninety-nine million, one hundred thousand, one hundred eighty-seven".