8008255681 has 2 divisors, whose sum is σ = 8008255682. Its totient is φ = 8008255680.

The previous prime is 8008255613. The next prime is 8008255687. The reversal of 8008255681 is 1865528008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5579343025 + 2428912656 = 74695^2 + 49284^2 .

It is a cyclic number.

It is not a de Polignac number, because 8008255681 - 2¹⁵ = 8008222913 is a prime.

It is a super-2 number, since 2×8008255681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8008255687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004127840 + 4004127841.

It is an arithmetic number, because the mean of its divisors is an integer number (4004127841).

Almost surely, 2^8008255681 is an apocalyptic number.

It is an amenable number.

8008255681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8008255681 is an equidigital number, since it uses as much as digits as its factorization.

8008255681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 8008255681 is about 89488.8578595123. The cubic root of 8008255681 is about 2000.6877368985.

The spelling of 8008255681 in words is "eight billion, eight million, two hundred fifty-five thousand, six hundred eighty-one".