87016656 has 40 divisors (see below), whose sum is σ = 236626720. Its totient is φ = 27478656.

The previous prime is 87016639. The next prime is 87016661. The reversal of 87016656 is 65661078.

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, 46795 + ... + 48618.

It is an arithmetic number, because the mean of its divisors is an integer number (5915668).

Almost surely, 2^87016656 is an apocalyptic number.

It is an amenable number.

87016656 is an abundant number, since it is smaller than the sum of its proper divisors (149610064).

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

87016656 is a wasteful number, since it uses less digits than its factorization.

87016656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95443 (or 95437 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 87016656 is about 9328.2718656780. The cubic root of 87016656 is about 443.1330375793.

The spelling of 87016656 in words is "eighty-seven million, sixteen thousand, six hundred fifty-six".