85391167 has 4 divisors (see below), whose sum is σ = 88335720. Its totient is φ = 82446616.

The previous prime is 85391161. The next prime is 85391177. The reversal of 85391167 is 76119358.

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 85391167 - 2⁷ = 85391039 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85391161) 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, 1472233 + ... + 1472290.

It is an arithmetic number, because the mean of its divisors is an integer number (22083930).

Almost surely, 2^85391167 is an apocalyptic number.

85391167 is a deficient number, since it is larger than the sum of its proper divisors (2944553).

85391167 is a wasteful number, since it uses less digits than its factorization.

85391167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944552.

The product of its digits is 45360, while the sum is 40.

The square root of 85391167 is about 9240.7341158590. The cubic root of 85391167 is about 440.3564037251.

It can be divided in two parts, 85391 and 167, that added together give a palindrome (85558).

The spelling of 85391167 in words is "eighty-five million, three hundred ninety-one thousand, one hundred sixty-seven".