87577025 has 24 divisors (see below), whose sum is σ = 113888544. Its totient is φ = 66729600.

The previous prime is 87576997. The next prime is 87577057. The reversal of 87577025 is 52077578.

It is not a de Polignac number, because 87577025 - 2²⁴ = 70799809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 43082 + ... + 45068.

It is an arithmetic number, because the mean of its divisors is an integer number (4745356).

Almost surely, 2^87577025 is an apocalyptic number.

It is an amenable number.

87577025 is a deficient number, since it is larger than the sum of its proper divisors (26311519).

87577025 is a wasteful number, since it uses less digits than its factorization.

87577025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 41.

The square root of 87577025 is about 9358.2597206959. The cubic root of 87577025 is about 444.0822308670.

The spelling of 87577025 in words is "eighty-seven million, five hundred seventy-seven thousand, twenty-five".