86166822 has 32 divisors (see below), whose sum is σ = 198468864. Its totient is φ = 24429600.

The previous prime is 86166803. The next prime is 86166827. The reversal of 86166822 is 22866168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86166827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (6202152).

Almost surely, 2^86166822 is an apocalyptic number.

86166822 is an abundant number, since it is smaller than the sum of its proper divisors (112302042).

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

86166822 is a wasteful number, since it uses less digits than its factorization.

86166822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804.

The product of its digits is 55296, while the sum is 39.

The square root of 86166822 is about 9282.6085773343. The cubic root of 86166822 is about 441.6857200910.

The spelling of 86166822 in words is "eighty-six million, one hundred sixty-six thousand, eight hundred twenty-two".