86111808 has 56 divisors (see below), whose sum is σ = 233415840. Its totient is φ = 28001280.

The previous prime is 86111801. The next prime is 86111813. The reversal of 86111808 is 80811168.

It is not an unprimeable number, because it can be changed into a prime (86111801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (4168140).

Almost surely, 2^86111808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86111808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116707920).

86111808 is an abundant number, since it is smaller than the sum of its proper divisors (147304032).

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

86111808 is a wasteful number, since it uses less digits than its factorization.

86111808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995 (or 10985 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 86111808 is about 9279.6448207892. The cubic root of 86111808 is about 441.5917006422.

The spelling of 86111808 in words is "eighty-six million, one hundred eleven thousand, eight hundred eight".