8256725944 has 16 divisors (see below), whose sum is σ = 15482349720. Its totient is φ = 4128099360.

The previous prime is 8256725933. The next prime is 8256725951. The reversal of 8256725944 is 4495276528.

It is a happy number.

It is a super-2 number, since 2×8256725944² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8256725891 and 8256725900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184827 + ... + 225109.

Almost surely, 2^8256725944 is an apocalyptic number.

It is an amenable number.

8256725944 is a deficient number, since it is larger than the sum of its proper divisors (7225623776).

8256725944 is a wasteful number, since it uses less digits than its factorization.

8256725944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65910 (or 65906 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 8256725944 is about 90866.5281828243. The cubic root of 8256725944 is about 2021.1689753776.

The spelling of 8256725944 in words is "eight billion, two hundred fifty-six million, seven hundred twenty-five thousand, nine hundred forty-four".