108687087 has 24 divisors (see below), whose sum is σ = 165774960. Its totient is φ = 68428800.

The previous prime is 108687079. The next prime is 108687109. The reversal of 108687087 is 780786801.

It is not a de Polignac number, because 108687087 - 2³ = 108687079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108687017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67087 + ... + 68687.

It is an arithmetic number, because the mean of its divisors is an integer number (6907290).

Almost surely, 2^108687087 is an apocalyptic number.

108687087 is a deficient number, since it is larger than the sum of its proper divisors (57087873).

108687087 is a wasteful number, since it uses less digits than its factorization.

108687087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 108687087 is about 10425.3099234507. The cubic root of 108687087 is about 477.2280728339.

It can be divided in two parts, 10868 and 7087, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 108687087 in words is "one hundred eight million, six hundred eighty-seven thousand, eighty-seven".