855882427 has 2 divisors, whose sum is σ = 855882428. Its totient is φ = 855882426.

The previous prime is 855882413. The next prime is 855882437. The reversal of 855882427 is 724288558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855882427 - 2⁷ = 855882299 is a prime.

It is not a weakly prime, because it can be changed into another prime (855882437) 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 as a sum of consecutive naturals, namely, 427941213 + 427941214.

It is an arithmetic number, because the mean of its divisors is an integer number (427941214).

Almost surely, 2^855882427 is an apocalyptic number.

855882427 is a deficient number, since it is larger than the sum of its proper divisors (1).

855882427 is an equidigital number, since it uses as much as digits as its factorization.

855882427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1433600, while the sum is 49.

The square root of 855882427 is about 29255.4683264514. The cubic root of 855882427 is about 949.4484062934.

The spelling of 855882427 in words is "eight hundred fifty-five million, eight hundred eighty-two thousand, four hundred twenty-seven".