85716814 has 32 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 39103680.

The previous prime is 85716803. The next prime is 85716821. The reversal of 85716814 is 41861758.

It is a congruent number.

It is an unprimeable number.

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, 88159 + ... + 89125.

It is an arithmetic number, because the mean of its divisors is an integer number (4390848).

Almost surely, 2^85716814 is an apocalyptic number.

85716814 is a deficient number, since it is larger than the sum of its proper divisors (54790322).

85716814 is a wasteful number, since it uses less digits than its factorization.

85716814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its digits is 53760, while the sum is 40.

The square root of 85716814 is about 9258.3375397530. The cubic root of 85716814 is about 440.9154734020.

It can be divided in two parts, 857 and 16814, that added together give a palindrome (17671).

The spelling of 85716814 in words is "eighty-five million, seven hundred sixteen thousand, eight hundred fourteen".