8255806281 has 8 divisors (see below), whose sum is σ = 12230824160. Its totient is φ = 5503870836.

The previous prime is 8255806267. The next prime is 8255806297. The reversal of 8255806281 is 1826085528.

8255806281 is a `hidden beast` number, since 8 + 2 + 5 + 580 + 62 + 8 + 1 = 666.

It is not a de Polignac number, because 8255806281 - 2⁵ = 8255806249 is a prime.

It is a super-2 number, since 2×8255806281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8255806241) 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, 152885275 + ... + 152885328.

It is an arithmetic number, because the mean of its divisors is an integer number (1528853020).

Almost surely, 2^8255806281 is an apocalyptic number.

It is an amenable number.

8255806281 is a deficient number, since it is larger than the sum of its proper divisors (3975017879).

8255806281 is a wasteful number, since it uses less digits than its factorization.

8255806281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305770612 (or 305770606 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 8255806281 is about 90861.4675261191. The cubic root of 8255806281 is about 2021.0939309692.

The spelling of 8255806281 in words is "eight billion, two hundred fifty-five million, eight hundred six thousand, two hundred eighty-one".