825368864 has 24 divisors (see below), whose sum is σ = 1631283948. Its totient is φ = 411074560.

The previous prime is 825368851. The next prime is 825368881. The reversal of 825368864 is 468863528.

It can be written as a sum of positive squares in 2 ways, for example, as 814531600 + 10837264 = 28540^2 + 3292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41957 + ... + 58404.

Almost surely, 2^825368864 is an apocalyptic number.

It is an amenable number.

825368864 is a deficient number, since it is larger than the sum of its proper divisors (805915084).

825368864 is a wasteful number, since it uses less digits than its factorization.

825368864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100628 (or 100620 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 825368864 is about 28729.2336131683. The cubic root of 825368864 is about 938.0284860030.

The spelling of 825368864 in words is "eight hundred twenty-five million, three hundred sixty-eight thousand, eight hundred sixty-four".