87590825 has 12 divisors (see below), whose sum is σ = 124128960. Its totient is φ = 60062160.

The previous prime is 87590807. The next prime is 87590827. The reversal of 87590825 is 52809578.

It is not a de Polignac number, because 87590825 - 2¹² = 87586729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87590827) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 250085 + ... + 250434.

It is an arithmetic number, because the mean of its divisors is an integer number (10344080).

Almost surely, 2^87590825 is an apocalyptic number.

It is an amenable number.

87590825 is a deficient number, since it is larger than the sum of its proper divisors (36538135).

87590825 is a wasteful number, since it uses less digits than its factorization.

87590825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500536 (or 500531 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 87590825 is about 9358.9970082269. The cubic root of 87590825 is about 444.1055551461.

The spelling of 87590825 in words is "eighty-seven million, five hundred ninety thousand, eight hundred twenty-five".