87108903 has 12 divisors (see below), whose sum is σ = 143798928. Its totient is φ = 49776480.

The previous prime is 87108899. The next prime is 87108941. The reversal of 87108903 is 30980178.

It is not a de Polignac number, because 87108903 - 2² = 87108899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87108503) 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 in 11 ways as a sum of consecutive naturals, for example, 691278 + ... + 691403.

It is an arithmetic number, because the mean of its divisors is an integer number (11983244).

Almost surely, 2^87108903 is an apocalyptic number.

87108903 is a deficient number, since it is larger than the sum of its proper divisors (56690025).

87108903 is a wasteful number, since it uses less digits than its factorization.

87108903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382694 (or 1382691 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 87108903 is about 9333.2150409170. The cubic root of 87108903 is about 443.2895718137.

The spelling of 87108903 in words is "eighty-seven million, one hundred eight thousand, nine hundred three".