87052590 has 32 divisors (see below), whose sum is σ = 232140960. Its totient is φ = 23213952.

The previous prime is 87052571. The next prime is 87052621. The reversal of 87052590 is 9525078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160939 + ... + 161478.

It is an arithmetic number, because the mean of its divisors is an integer number (7254405).

Almost surely, 2^87052590 is an apocalyptic number.

87052590 is an abundant number, since it is smaller than the sum of its proper divisors (145088370).

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

87052590 is a wasteful number, since it uses less digits than its factorization.

87052590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322433 (or 322427 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 87052590 is about 9330.1977471005. The cubic root of 87052590 is about 443.1940272484.

The spelling of 87052590 in words is "eighty-seven million, fifty-two thousand, five hundred ninety".