85845167 has 2 divisors, whose sum is σ = 85845168. Its totient is φ = 85845166.

The previous prime is 85845127. The next prime is 85845197. The reversal of 85845167 is 76154858.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85845167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85845127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42922583 + 42922584.

It is an arithmetic number, because the mean of its divisors is an integer number (42922584).

Almost surely, 2^85845167 is an apocalyptic number.

85845167 is a deficient number, since it is larger than the sum of its proper divisors (1).

85845167 is an equidigital number, since it uses as much as digits as its factorization.

85845167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 44.

The square root of 85845167 is about 9265.2666988058. The cubic root of 85845167 is about 441.1354403571.

The spelling of 85845167 in words is "eighty-five million, eight hundred forty-five thousand, one hundred sixty-seven".