87025185 has 40 divisors (see below), whose sum is σ = 168010920. Its totient is φ = 42840576.

The previous prime is 87025181. The next prime is 87025189. The reversal of 87025185 is 58152078.

It is an interprime number because it is at equal distance from previous prime (87025181) and next prime (87025189).

It can be written as a sum of positive squares in 4 ways, for example, as 10969344 + 76055841 = 3312^2 + 8721^2 .

It is not a de Polignac number, because 87025185 - 2² = 87025181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87025181) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3000 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (4200273).

Almost surely, 2^87025185 is an apocalyptic number.

It is an amenable number.

87025185 is a deficient number, since it is larger than the sum of its proper divisors (80985735).

87025185 is a wasteful number, since it uses less digits than its factorization.

87025185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16559 (or 16550 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 87025185 is about 9328.7290131078. The cubic root of 87025185 is about 443.1475151072.

The spelling of 87025185 in words is "eighty-seven million, twenty-five thousand, one hundred eighty-five".