108182987 has 4 divisors (see below), whose sum is σ = 118017816. Its totient is φ = 98348160.

The previous prime is 108182981. The next prime is 108182989. The reversal of 108182987 is 789281801.

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

It is a cyclic number.

It is not a de Polignac number, because 108182987 - 2¹⁰ = 108181963 is a prime.

It is a super-3 number, since 3×108182987³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108182981) 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 3 ways as a sum of consecutive naturals, for example, 4917398 + ... + 4917419.

It is an arithmetic number, because the mean of its divisors is an integer number (29504454).

Almost surely, 2^108182987 is an apocalyptic number.

108182987 is a deficient number, since it is larger than the sum of its proper divisors (9834829).

108182987 is an equidigital number, since it uses as much as digits as its factorization.

108182987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834828.

The product of its (nonzero) digits is 64512, while the sum is 44.

The square root of 108182987 is about 10401.1050855186. The cubic root of 108182987 is about 476.4891210148.

The spelling of 108182987 in words is "one hundred eight million, one hundred eighty-two thousand, nine hundred eighty-seven".