85945903 has 2 divisors, whose sum is σ = 85945904. Its totient is φ = 85945902.

The previous prime is 85945883. The next prime is 85945927. The reversal of 85945903 is 30954958.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85945903 - 2¹⁷ = 85814831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85945903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85945933) 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, 42972951 + 42972952.

It is an arithmetic number, because the mean of its divisors is an integer number (42972952).

Almost surely, 2^85945903 is an apocalyptic number.

85945903 is a deficient number, since it is larger than the sum of its proper divisors (1).

85945903 is an equidigital number, since it uses as much as digits as its factorization.

85945903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 85945903 is about 9270.7013219066. The cubic root of 85945903 is about 441.3079247280.

The spelling of 85945903 in words is "eighty-five million, nine hundred forty-five thousand, nine hundred three".