85767163 has 2 divisors, whose sum is σ = 85767164. Its totient is φ = 85767162.

The previous prime is 85767131. The next prime is 85767167. The reversal of 85767163 is 36176758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85767163 - 2⁵ = 85767131 is a prime.

It is not a weakly prime, because it can be changed into another prime (85767167) 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, 42883581 + 42883582.

It is an arithmetic number, because the mean of its divisors is an integer number (42883582).

Almost surely, 2^85767163 is an apocalyptic number.

85767163 is a deficient number, since it is larger than the sum of its proper divisors (1).

85767163 is an equidigital number, since it uses as much as digits as its factorization.

85767163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 85767163 is about 9261.0562572527. The cubic root of 85767163 is about 441.0017859427.

The spelling of 85767163 in words is "eighty-five million, seven hundred sixty-seven thousand, one hundred sixty-three".