87317575 has 12 divisors (see below), whose sum is σ = 109801008. Its totient is φ = 68868800.

The previous prime is 87317551. The next prime is 87317599. The reversal of 87317575 is 57571378.

It is an interprime number because it is at equal distance from previous prime (87317551) and next prime (87317599).

It is not a de Polignac number, because 87317575 - 2¹⁵ = 87284807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 22822 + ... + 26371.

It is an arithmetic number, because the mean of its divisors is an integer number (9150084).

Almost surely, 2^87317575 is an apocalyptic number.

87317575 is a deficient number, since it is larger than the sum of its proper divisors (22483433).

87317575 is a wasteful number, since it uses less digits than its factorization.

87317575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49274 (or 49269 counting only the distinct ones).

The product of its digits is 205800, while the sum is 43.

The square root of 87317575 is about 9344.3873528445. The cubic root of 87317575 is about 443.6432607120.

The spelling of 87317575 in words is "eighty-seven million, three hundred seventeen thousand, five hundred seventy-five".