87005625 has 60 divisors (see below), whose sum is σ = 168808464. Its totient is φ = 39732000.

The previous prime is 87005621. The next prime is 87005627. The reversal of 87005625 is 52650078.

It is a happy number.

It is not a de Polignac number, because 87005625 - 2² = 87005621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87005621) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 91402 + ... + 92348.

Almost surely, 2^87005625 is an apocalyptic number.

It is an amenable number.

87005625 is a deficient number, since it is larger than the sum of its proper divisors (81802839).

87005625 is an equidigital number, since it uses as much as digits as its factorization.

87005625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 87005625 is about 9327.6805798655. The cubic root of 87005625 is about 443.1143116352.

The spelling of 87005625 in words is "eighty-seven million, five thousand, six hundred twenty-five".