85943359 has 2 divisors, whose sum is σ = 85943360. Its totient is φ = 85943358.

The previous prime is 85943321. The next prime is 85943371. The reversal of 85943359 is 95334958.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85943359 - 2¹⁹ = 85419071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85943399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42971679 + 42971680.

It is an arithmetic number, because the mean of its divisors is an integer number (42971680).

Almost surely, 2^85943359 is an apocalyptic number.

85943359 is a deficient number, since it is larger than the sum of its proper divisors (1).

85943359 is an equidigital number, since it uses as much as digits as its factorization.

85943359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 85943359 is about 9270.5641144431. The cubic root of 85943359 is about 441.3035704447.

The spelling of 85943359 in words is "eighty-five million, nine hundred forty-three thousand, three hundred fifty-nine".