855426727 has 2 divisors, whose sum is σ = 855426728. Its totient is φ = 855426726.

The previous prime is 855426713. The next prime is 855426749. The reversal of 855426727 is 727624558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855426727 - 2¹¹ = 855424679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855426707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427713363 + 427713364.

It is an arithmetic number, because the mean of its divisors is an integer number (427713364).

Almost surely, 2^855426727 is an apocalyptic number.

855426727 is a deficient number, since it is larger than the sum of its proper divisors (1).

855426727 is an equidigital number, since it uses as much as digits as its factorization.

855426727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 46.

The square root of 855426727 is about 29247.6790019311. The cubic root of 855426727 is about 949.2798705086.

The spelling of 855426727 in words is "eight hundred fifty-five million, four hundred twenty-six thousand, seven hundred twenty-seven".