8256742299 has 12 divisors (see below), whose sum is σ = 12843821536. Its totient is φ = 5081072112.

The previous prime is 8256742267. The next prime is 8256742301. The reversal of 8256742299 is 9922476528.

8256742299 is a `hidden beast` number, since 82 + 56 + 7 + 422 + 99 = 666.

8256742299 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8256742299 - 2⁵ = 8256742267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8256742229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35285107 + ... + 35285340.

Almost surely, 2^8256742299 is an apocalyptic number.

8256742299 is a deficient number, since it is larger than the sum of its proper divisors (4587079237).

8256742299 is a wasteful number, since it uses less digits than its factorization.

8256742299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70570466 (or 70570463 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 8256742299 is about 90866.6181774143. The cubic root of 8256742299 is about 2021.1703098935.

The spelling of 8256742299 in words is "eight billion, two hundred fifty-six million, seven hundred forty-two thousand, two hundred ninety-nine".