855671119 has 2 divisors, whose sum is σ = 855671120. Its totient is φ = 855671118.

The previous prime is 855671077. The next prime is 855671177. The reversal of 855671119 is 911176558.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855671119 is a prime.

It is a super-2 number, since 2×855671119² = 1464346127781424322, which contains 22 as substring.

It is equal to p_43857664 and since 855671119 and 43857664 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855672119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427835559 + 427835560.

It is an arithmetic number, because the mean of its divisors is an integer number (427835560).

Almost surely, 2^855671119 is an apocalyptic number.

855671119 is a deficient number, since it is larger than the sum of its proper divisors (1).

855671119 is an equidigital number, since it uses as much as digits as its factorization.

855671119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 43.

The square root of 855671119 is about 29251.8566761154. The cubic root of 855671119 is about 949.3702637236.

The spelling of 855671119 in words is "eight hundred fifty-five million, six hundred seventy-one thousand, one hundred nineteen".