85711318 has 48 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 31624560.

The previous prime is 85711313. The next prime is 85711333. The reversal of 85711318 is 81311758.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85711313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30855 + ... + 33517.

It is an arithmetic number, because the mean of its divisors is an integer number (3543120).

Almost surely, 2^85711318 is an apocalyptic number.

85711318 is a deficient number, since it is larger than the sum of its proper divisors (84358442).

85711318 is a wasteful number, since it uses less digits than its factorization.

85711318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2702 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The square root of 85711318 is about 9258.0407214486. The cubic root of 85711318 is about 440.9060496452.

It can be divided in two parts, 8571 and 1318, that added together give a palindrome (9889).

The spelling of 85711318 in words is "eighty-five million, seven hundred eleven thousand, three hundred eighteen".