87487584 has 48 divisors (see below), whose sum is σ = 239645952. Its totient is φ = 27893888.

The previous prime is 87487553. The next prime is 87487643. The reversal of 87487584 is 48578478.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17604 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (4992624).

Almost surely, 2^87487584 is an apocalyptic number.

It is an amenable number.

87487584 is an abundant number, since it is smaller than the sum of its proper divisors (152158368).

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

87487584 is a wasteful number, since it uses less digits than its factorization.

87487584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39659 (or 39651 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 87487584 is about 9353.4797802743. The cubic root of 87487584 is about 443.9310013712.

The spelling of 87487584 in words is "eighty-seven million, four hundred eighty-seven thousand, five hundred eighty-four".