87317530417 has 16 divisors (see below), whose sum is σ = 94191793920. Its totient is φ = 80465913792.

The previous prime is 87317530409. The next prime is 87317530463. The reversal of 87317530417 is 71403571378.

It is a cyclic number.

It is not a de Polignac number, because 87317530417 - 2³ = 87317530409 is a prime.

It is a super-2 number, since 2×87317530417² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87317536417) 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 15 ways as a sum of consecutive naturals, for example, 32787828 + ... + 32790490.

It is an arithmetic number, because the mean of its divisors is an integer number (5886987120).

Almost surely, 2^87317530417 is an apocalyptic number.

It is an amenable number.

87317530417 is a deficient number, since it is larger than the sum of its proper divisors (6874263503).

87317530417 is a wasteful number, since it uses less digits than its factorization.

87317530417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 87317530417 in words is "eighty-seven billion, three hundred seventeen million, five hundred thirty thousand, four hundred seventeen".