85059519 has 16 divisors (see below), whose sum is σ = 116124672. Its totient is φ = 55356768.

The previous prime is 85059511. The next prime is 85059577. The reversal of 85059519 is 91595058.

It is a happy number.

It is not a de Polignac number, because 85059519 - 2³ = 85059511 is a prime.

It is a super-2 number, since 2×85059519² = 14470243545022722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85059511) 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 in 15 ways as a sum of consecutive naturals, for example, 102942 + ... + 103764.

It is an arithmetic number, because the mean of its divisors is an integer number (7257792).

Almost surely, 2^85059519 is an apocalyptic number.

85059519 is a deficient number, since it is larger than the sum of its proper divisors (31065153).

85059519 is a wasteful number, since it uses less digits than its factorization.

85059519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 85059519 is about 9222.7717634126. The cubic root of 85059519 is about 439.7855687246.

The spelling of 85059519 in words is "eighty-five million, fifty-nine thousand, five hundred nineteen".