85389319 has 4 divisors (see below), whose sum is σ = 85563720. Its totient is φ = 85214920.

The previous prime is 85389313. The next prime is 85389323. The reversal of 85389319 is 91398358.

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 85389319 - 2¹¹ = 85387271 is a prime.

It is a super-2 number, since 2×85389319² = 14582671598567522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85389313) 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, 86464 + ... + 87445.

It is an arithmetic number, because the mean of its divisors is an integer number (21390930).

Almost surely, 2^85389319 is an apocalyptic number.

85389319 is a deficient number, since it is larger than the sum of its proper divisors (174401).

85389319 is a wasteful number, since it uses less digits than its factorization.

85389319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174400.

The product of its digits is 233280, while the sum is 46.

The square root of 85389319 is about 9240.6341232623. The cubic root of 85389319 is about 440.3532270324.

The spelling of 85389319 in words is "eighty-five million, three hundred eighty-nine thousand, three hundred nineteen".