87086925 has 36 divisors (see below), whose sum is σ = 156633204. Its totient is φ = 46252800.

The previous prime is 87086917. The next prime is 87086939. The reversal of 87086925 is 52968078.

It can be written as a sum of positive squares in 6 ways, for example, as 12489156 + 74597769 = 3534^2 + 8637^2 .

It is not a de Polignac number, because 87086925 - 2³ = 87086917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65265 + ... + 66585.

Almost surely, 2^87086925 is an apocalyptic number.

It is an amenable number.

87086925 is a deficient number, since it is larger than the sum of its proper divisors (69546279).

87086925 is a wasteful number, since it uses less digits than its factorization.

87086925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 87086925 is about 9332.0375588614. The cubic root of 87086925 is about 443.2522873060.

The spelling of 87086925 in words is "eighty-seven million, eighty-six thousand, nine hundred twenty-five".