85194359 has 2 divisors, whose sum is σ = 85194360. Its totient is φ = 85194358.

The previous prime is 85194337. The next prime is 85194371. The reversal of 85194359 is 95349158.

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-85194359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85194559) 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, 42597179 + 42597180.

It is an arithmetic number, because the mean of its divisors is an integer number (42597180).

Almost surely, 2^85194359 is an apocalyptic number.

85194359 is a deficient number, since it is larger than the sum of its proper divisors (1).

85194359 is an equidigital number, since it uses as much as digits as its factorization.

85194359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 85194359 is about 9230.0790354146. The cubic root of 85194359 is about 440.0178350209.

The spelling of 85194359 in words is "eighty-five million, one hundred ninety-four thousand, three hundred fifty-nine".