864332211 has 16 divisors (see below), whose sum is σ = 1254931200. Its totient is φ = 527069088.

The previous prime is 864332179. The next prime is 864332213. The reversal of 864332211 is 112233468.

864332211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864332211 - 2⁵ = 864332179 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (864332213) 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, 259791 + ... + 263096.

It is an arithmetic number, because the mean of its divisors is an integer number (78433200).

Almost surely, 2^864332211 is an apocalyptic number.

864332211 is a deficient number, since it is larger than the sum of its proper divisors (390598989).

864332211 is a wasteful number, since it uses less digits than its factorization.

864332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522938.

The product of its digits is 6912, while the sum is 30.

The square root of 864332211 is about 29399.5273941606. The cubic root of 864332211 is about 952.5626877818.

Adding to 864332211 its reverse (112233468), we get a palindrome (976565679).

The spelling of 864332211 in words is "eight hundred sixty-four million, three hundred thirty-two thousand, two hundred eleven".