85188359 has 2 divisors, whose sum is σ = 85188360. Its totient is φ = 85188358.

The previous prime is 85188353. The next prime is 85188379. The reversal of 85188359 is 95388158.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85188359 is a prime.

It is a super-2 number, since 2×85188359² = 14514113018225762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85188353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42594179 + 42594180.

It is an arithmetic number, because the mean of its divisors is an integer number (42594180).

Almost surely, 2^85188359 is an apocalyptic number.

85188359 is a deficient number, since it is larger than the sum of its proper divisors (1).

85188359 is an equidigital number, since it uses as much as digits as its factorization.

85188359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 47.

The square root of 85188359 is about 9229.7540053893. The cubic root of 85188359 is about 440.0075050373.

The spelling of 85188359 in words is "eighty-five million, one hundred eighty-eight thousand, three hundred fifty-nine".