87517904089 has 8 divisors (see below), whose sum is σ = 109113231168. Its totient is φ = 68195769360.

The previous prime is 87517904053. The next prime is 87517904161. The reversal of 87517904089 is 98040971578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87517904089 - 2²⁵ = 87484349657 is a prime.

It is a super-2 number, since 2×87517904089² (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 (87517904489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568298002 + ... + 568298155.

It is an arithmetic number, because the mean of its divisors is an integer number (13639153896).

Almost surely, 2^87517904089 is an apocalyptic number.

It is an amenable number.

87517904089 is a deficient number, since it is larger than the sum of its proper divisors (21595327079).

87517904089 is a wasteful number, since it uses less digits than its factorization.

87517904089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136596175.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 87517904089 in words is "eighty-seven billion, five hundred seventeen million, nine hundred four thousand, eighty-nine".