85312567 has 8 divisors (see below), whose sum is σ = 88030656. Its totient is φ = 82632192.

The previous prime is 85312529. The next prime is 85312583. The reversal of 85312567 is 76521358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85312567 - 2⁷ = 85312439 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 (85312067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798 + ... + 13915.

It is an arithmetic number, because the mean of its divisors is an integer number (11003832).

Almost surely, 2^85312567 is an apocalyptic number.

85312567 is a deficient number, since it is larger than the sum of its proper divisors (2718089).

85312567 is a wasteful number, since it uses less digits than its factorization.

85312567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857.

The product of its digits is 50400, while the sum is 37.

The square root of 85312567 is about 9236.4802278790. The cubic root of 85312567 is about 440.2212506418.

The spelling of 85312567 in words is "eighty-five million, three hundred twelve thousand, five hundred sixty-seven".