87387232 has 24 divisors (see below), whose sum is σ = 181099800. Its totient is φ = 41393664.

The previous prime is 87387199. The next prime is 87387247. The reversal of 87387232 is 23278378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71257 + ... + 72472.

It is an arithmetic number, because the mean of its divisors is an integer number (7545825).

Almost surely, 2^87387232 is an apocalyptic number.

It is an amenable number.

87387232 is an abundant number, since it is smaller than the sum of its proper divisors (93712568).

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

87387232 is a wasteful number, since it uses less digits than its factorization.

87387232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143758 (or 143750 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 87387232 is about 9348.1138204453. The cubic root of 87387232 is about 443.7612004843.

The spelling of 87387232 in words is "eighty-seven million, three hundred eighty-seven thousand, two hundred thirty-two".