87018688 has 28 divisors (see below), whose sum is σ = 173397672. Its totient is φ = 43328000.

The previous prime is 87018677. The next prime is 87018697. The reversal of 87018688 is 88681078.

It is a super-2 number, since 2×87018688² = 15144504122482688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 13356 + ... + 18772.

It is an arithmetic number, because the mean of its divisors is an integer number (6192774).

Almost surely, 2^87018688 is an apocalyptic number.

It is an amenable number.

87018688 is a deficient number, since it is larger than the sum of its proper divisors (86378984).

87018688 is a wasteful number, since it uses less digits than its factorization.

87018688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5670 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 87018688 is about 9328.3807812503. The cubic root of 87018688 is about 443.1364868780.

The spelling of 87018688 in words is "eighty-seven million, eighteen thousand, six hundred eighty-eight".