8256981294 has 32 divisors (see below), whose sum is σ = 19428193440. Its totient is φ = 2590425216.

The previous prime is 8256981287. The next prime is 8256981331. The reversal of 8256981294 is 4921896528.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8256981294.

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 15 ways as a sum of consecutive naturals, for example, 4496349 + ... + 4498184.

It is an arithmetic number, because the mean of its divisors is an integer number (607131045).

Almost surely, 2^8256981294 is an apocalyptic number.

8256981294 is an abundant number, since it is smaller than the sum of its proper divisors (11171212146).

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

8256981294 is a wasteful number, since it uses less digits than its factorization.

8256981294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994561 (or 8994555 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 8256981294 is about 90867.9332548067. The cubic root of 8256981294 is about 2021.1898109235.

The spelling of 8256981294 in words is "eight billion, two hundred fifty-six million, nine hundred eighty-one thousand, two hundred ninety-four".