86811318 has 64 divisors (see below), whose sum is σ = 212682240. Its totient is φ = 26028000.

The previous prime is 86811317. The next prime is 86811337. The reversal of 86811318 is 81311868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86811313) 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 31 ways as a sum of consecutive naturals, for example, 59271 + ... + 60717.

It is an arithmetic number, because the mean of its divisors is an integer number (3323160).

Almost surely, 2^86811318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86811318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106341120).

86811318 is an abundant number, since it is smaller than the sum of its proper divisors (125870922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86811318 is a wasteful number, since it uses less digits than its factorization.

86811318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1564 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 86811318 is about 9317.2591463370. The cubic root of 86811318 is about 442.7842012268.

It can be divided in two parts, 8681 and 1318, that added together give a palindrome (9999).

The spelling of 86811318 in words is "eighty-six million, eight hundred eleven thousand, three hundred eighteen".