87125560184 has 64 divisors (see below), whose sum is σ = 186343597440. Its totient is φ = 37832509440.

The previous prime is 87125560177. The next prime is 87125560199. The reversal of 87125560184 is 48106552178.

It is a super-2 number, since 2×87125560184² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5903054 + ... + 5917794.

It is an arithmetic number, because the mean of its divisors is an integer number (2911618710).

Almost surely, 2^87125560184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87125560184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93171798720).

87125560184 is an abundant number, since it is smaller than the sum of its proper divisors (99218037256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87125560184 is a wasteful number, since it uses less digits than its factorization.

87125560184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120 (or 18116 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 87125560184 in words is "eighty-seven billion, one hundred twenty-five million, five hundred sixty thousand, one hundred eighty-four".