87525858 has 24 divisors (see below), whose sum is σ = 203632272. Its totient is φ = 25007304.

The previous prime is 87525853. The next prime is 87525859. The reversal of 87525858 is 85852578.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87525853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148560 + ... + 149147.

It is an arithmetic number, because the mean of its divisors is an integer number (8484678).

Almost surely, 2^87525858 is an apocalyptic number.

87525858 is an abundant number, since it is smaller than the sum of its proper divisors (116106414).

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

87525858 is a wasteful number, since it uses less digits than its factorization.

87525858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297726 (or 297719 counting only the distinct ones).

The product of its digits is 896000, while the sum is 48.

The square root of 87525858 is about 9355.5255330740. The cubic root of 87525858 is about 443.9957287959.

The spelling of 87525858 in words is "eighty-seven million, five hundred twenty-five thousand, eight hundred fifty-eight".