855951539227 has 2 divisors, whose sum is σ = 855951539228. Its totient is φ = 855951539226.

The previous prime is 855951539221. The next prime is 855951539297. The reversal of 855951539227 is 722935159558.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855951539227 is a prime.

It is not a weakly prime, because it can be changed into another prime (855951539221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427975769613 + 427975769614.

It is an arithmetic number, because the mean of its divisors is an integer number (427975769614).

Almost surely, 2^855951539227 is an apocalyptic number.

855951539227 is a deficient number, since it is larger than the sum of its proper divisors (1).

855951539227 is an equidigital number, since it uses as much as digits as its factorization.

855951539227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020000, while the sum is 61.

The spelling of 855951539227 in words is "eight hundred fifty-five billion, nine hundred fifty-one million, five hundred thirty-nine thousand, two hundred twenty-seven".