827908625 has 16 divisors (see below), whose sum is σ = 1042391376. Its totient is φ = 656454400.

The previous prime is 827908597. The next prime is 827908637. The reversal of 827908625 is 526809728.

It can be written as a sum of positive squares in 8 ways, for example, as 239506576 + 588402049 = 15476^2 + 24257^2 .

It is not a de Polignac number, because 827908625 - 2⁶ = 827908561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 827908625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15182 + ... + 43431.

It is an arithmetic number, because the mean of its divisors is an integer number (65149461).

Almost surely, 2^827908625 is an apocalyptic number.

It is an amenable number.

827908625 is a deficient number, since it is larger than the sum of its proper divisors (214482751).

827908625 is a wasteful number, since it uses less digits than its factorization.

827908625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58741 (or 58731 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 827908625 is about 28773.4013456873. The cubic root of 827908625 is about 938.9896436242.

The spelling of 827908625 in words is "eight hundred twenty-seven million, nine hundred eight thousand, six hundred twenty-five".