99187 has 8 divisors (see below), whose sum is σ = 110592. Its totient is φ = 88200.

The previous prime is 99181. The next prime is 99191. The reversal of 99187 is 78199.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99187 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (99181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (13824).

2⁹⁹¹⁸⁷ is an apocalyptic number.

99187 is a deficient number, since it is larger than the sum of its proper divisors (11405).

99187 is a wasteful number, since it uses less digits than its factorization.

99187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 4536, while the sum is 34.

The square root of 99187 is about 314.9396767637. The cubic root of 99187 is about 46.2897588478.

The spelling of 99187 in words is "ninety-nine thousand, one hundred eighty-seven".