87500286 has 24 divisors (see below), whose sum is σ = 190686600. Its totient is φ = 28997136.

The previous prime is 87500269. The next prime is 87500299. The reversal of 87500286 is 68200578.

It is a self number, because there is not a number n which added to its sum of digits gives 87500286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10936 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (7945275).

Almost surely, 2^87500286 is an apocalyptic number.

87500286 is an abundant number, since it is smaller than the sum of its proper divisors (103186314).

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

87500286 is a wasteful number, since it uses less digits than its factorization.

87500286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28280 (or 28277 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 87500286 is about 9354.1587542654. The cubic root of 87500286 is about 443.9524845670.

The spelling of 87500286 in words is "eighty-seven million, five hundred thousand, two hundred eighty-six".