87481592 has 32 divisors (see below), whose sum is σ = 189468720. Its totient is φ = 37424640.

The previous prime is 87481561. The next prime is 87481607. The reversal of 87481592 is 29518478.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27743 + ... + 30734.

Almost surely, 2^87481592 is an apocalyptic number.

It is an amenable number.

87481592 is an abundant number, since it is smaller than the sum of its proper divisors (101987128).

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

87481592 is a wasteful number, since it uses less digits than its factorization.

87481592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58511 (or 58507 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 87481592 is about 9353.1594661911. The cubic root of 87481592 is about 443.9208662367.

The spelling of 87481592 in words is "eighty-seven million, four hundred eighty-one thousand, five hundred ninety-two".