87508568 has 16 divisors (see below), whose sum is σ = 187518480. Its totient is φ = 37503648.

The previous prime is 87508549. The next prime is 87508591. The reversal of 87508568 is 86580578.

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 3 ways as a sum of consecutive naturals, for example, 781271 + ... + 781382.

It is an arithmetic number, because the mean of its divisors is an integer number (11719905).

Almost surely, 2^87508568 is an apocalyptic number.

It is an amenable number.

87508568 is an abundant number, since it is smaller than the sum of its proper divisors (100009912).

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

87508568 is a wasteful number, since it uses less digits than its factorization.

87508568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562666 (or 1562662 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 87508568 is about 9354.6014345882. The cubic root of 87508568 is about 443.9664909917.

The spelling of 87508568 in words is "eighty-seven million, five hundred eight thousand, five hundred sixty-eight".