85945667 has 2 divisors, whose sum is σ = 85945668. Its totient is φ = 85945666.

The previous prime is 85945649. The next prime is 85945669. The reversal of 85945667 is 76654958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85945667 - 2⁶ = 85945603 is a prime.

Together with 85945669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85945669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42972833 + 42972834.

It is an arithmetic number, because the mean of its divisors is an integer number (42972834).

Almost surely, 2^85945667 is an apocalyptic number.

85945667 is a deficient number, since it is larger than the sum of its proper divisors (1).

85945667 is an equidigital number, since it uses as much as digits as its factorization.

85945667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 85945667 is about 9270.6885936267. The cubic root of 85945667 is about 441.3075207965.

The spelling of 85945667 in words is "eighty-five million, nine hundred forty-five thousand, six hundred sixty-seven".