87539684 has 12 divisors (see below), whose sum is σ = 153374508. Its totient is φ = 43718400.

The previous prime is 87539671. The next prime is 87539713. The reversal of 87539684 is 48693578.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 77440000 = 3178^2 + 8800^2 .

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, 8897 + ... + 15944.

It is an arithmetic number, because the mean of its divisors is an integer number (12781209).

Almost surely, 2^87539684 is an apocalyptic number.

It is an amenable number.

87539684 is a deficient number, since it is larger than the sum of its proper divisors (65834824).

87539684 is a wasteful number, since it uses less digits than its factorization.

87539684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25726 (or 25724 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 87539684 is about 9356.2644255066. The cubic root of 87539684 is about 444.0191061226.

The spelling of 87539684 in words is "eighty-seven million, five hundred thirty-nine thousand, six hundred eighty-four".