8256743012 has 24 divisors (see below), whose sum is σ = 16825064256. Its totient is φ = 3471837408.

The previous prime is 8256743009. The next prime is 8256743017. The reversal of 8256743012 is 2103476528.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8256743017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2780438 + ... + 2783405.

It is an arithmetic number, because the mean of its divisors is an integer number (701044344).

Almost surely, 2^8256743012 is an apocalyptic number.

It is an amenable number.

8256743012 is an abundant number, since it is smaller than the sum of its proper divisors (8568321244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8256743012 is a wasteful number, since it uses less digits than its factorization.

8256743012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563907 (or 5563905 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 8256743012 is about 90866.6221007472. The cubic root of 8256743012 is about 2021.1703680720.

The spelling of 8256743012 in words is "eight billion, two hundred fifty-six million, seven hundred forty-three thousand, twelve".