85459159 has 4 divisors (see below), whose sum is σ = 87768904. Its totient is φ = 83149416.

The previous prime is 85459147. The next prime is 85459163. The reversal of 85459159 is 95195458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85459159 - 2⁹ = 85458647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85459139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154817 + ... + 1154890.

It is an arithmetic number, because the mean of its divisors is an integer number (21942226).

Almost surely, 2^85459159 is an apocalyptic number.

85459159 is a deficient number, since it is larger than the sum of its proper divisors (2309745).

85459159 is a wasteful number, since it uses less digits than its factorization.

85459159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309744.

The product of its digits is 324000, while the sum is 46.

The square root of 85459159 is about 9244.4123123106. The cubic root of 85459159 is about 440.4732494149.

The spelling of 85459159 in words is "eighty-five million, four hundred fifty-nine thousand, one hundred fifty-nine".