864669211 has 8 divisors (see below), whose sum is σ = 988485120. Its totient is φ = 740926248.

The previous prime is 864669209. The next prime is 864669217. The reversal of 864669211 is 112966468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864669211 - 2¹ = 864669209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864669217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10110 + ... + 42796.

It is an arithmetic number, because the mean of its divisors is an integer number (123560640).

Almost surely, 2^864669211 is an apocalyptic number.

864669211 is a deficient number, since it is larger than the sum of its proper divisors (123815909).

864669211 is a wasteful number, since it uses less digits than its factorization.

864669211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36473.

The product of its digits is 124416, while the sum is 43.

The square root of 864669211 is about 29405.2582202571. The cubic root of 864669211 is about 952.6864719433.

The spelling of 864669211 in words is "eight hundred sixty-four million, six hundred sixty-nine thousand, two hundred eleven".