87525790 has 32 divisors (see below), whose sum is σ = 175123296. Its totient is φ = 31224960.

The previous prime is 87525731. The next prime is 87525811. The reversal of 87525790 is 9752578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (5472603).

Almost surely, 2^87525790 is an apocalyptic number.

87525790 is an abundant number, since it is smaller than the sum of its proper divisors (87597506).

87525790 is a wasteful number, since it uses less digits than its factorization.

87525790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15084.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 87525790 is about 9355.5218988574. The cubic root of 87525790 is about 443.9956138138.

The spelling of 87525790 in words is "eighty-seven million, five hundred twenty-five thousand, seven hundred ninety".