856467167 has 2 divisors, whose sum is σ = 856467168. Its totient is φ = 856467166.

The previous prime is 856467137. The next prime is 856467181. The reversal of 856467167 is 761764658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 856467167 - 2¹⁸ = 856205023 is a prime.

It is a Chen prime.

It is equal to p_43896389 and since 856467167 and 43896389 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 (856467137) 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, 428233583 + 428233584.

It is an arithmetic number, because the mean of its divisors is an integer number (428233584).

Almost surely, 2^856467167 is an apocalyptic number.

856467167 is a deficient number, since it is larger than the sum of its proper divisors (1).

856467167 is an equidigital number, since it uses as much as digits as its factorization.

856467167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 856467167 is about 29265.4603073316. The cubic root of 856467167 is about 949.6645785378.

The spelling of 856467167 in words is "eight hundred fifty-six million, four hundred sixty-seven thousand, one hundred sixty-seven".