8944365825 has 18 divisors (see below), whose sum is σ = 16020353414. Its totient is φ = 4770328320.

The previous prime is 8944365817. The next prime is 8944365841. The reversal of 8944365825 is 5285634498.

It can be written as a sum of positive squares in 3 ways, for example, as 3069603216 + 5874762609 = 55404^2 + 76647^2 .

It is not a de Polignac number, because 8944365825 - 2³ = 8944365817 is a prime.

It is a super-2 number, since 2×8944365825² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19876144 + ... + 19876593.

Almost surely, 2^8944365825 is an apocalyptic number.

It is an amenable number.

8944365825 is a deficient number, since it is larger than the sum of its proper divisors (7075987589).

8944365825 is a wasteful number, since it uses less digits than its factorization.

8944365825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39752753 (or 39752745 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 8944365825 is about 94574.6574141297. The cubic root of 8944365825 is about 2075.7888963340.

The spelling of 8944365825 in words is "eight billion, nine hundred forty-four million, three hundred sixty-five thousand, eight hundred twenty-five".