87186532288 has 112 divisors (see below), whose sum is σ = 178154380800. Its totient is φ = 42321843200.

The previous prime is 87186532249. The next prime is 87186532297. The reversal of 87186532288 is 88223568178.

It is a congruent number.

It is an unprimeable number.

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, 88693845 + ... + 88694827.

Almost surely, 2^87186532288 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 87186532288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89077190400).

87186532288 is an abundant number, since it is smaller than the sum of its proper divisors (90967848512).

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

87186532288 is a wasteful number, since it uses less digits than its factorization.

87186532288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1336 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 58.

The spelling of 87186532288 in words is "eighty-seven billion, one hundred eighty-six million, five hundred thirty-two thousand, two hundred eighty-eight".