8664823 has 6 divisors (see below), whose sum is σ = 8974784. Its totient is φ = 8365224.

The previous prime is 8664791. The next prime is 8664847. The reversal of 8664823 is 3284668.

It is not a de Polignac number, because 8664823 - 2⁵ = 8664791 is a prime.

It is a super-3 number, since 3×8664823³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 8³ + 6² + 6³ + 4⁸ + 8⁵ + 2²³ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664863) 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 5 ways as a sum of consecutive naturals, for example, 4311 + ... + 5992.

Almost surely, 2^8664823 is an apocalyptic number.

8664823 is a deficient number, since it is larger than the sum of its proper divisors (309961).

8664823 is a wasteful number, since it uses less digits than its factorization.

8664823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361 (or 10332 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 8664823 is about 2943.6071409072. The cubic root of 8664823 is about 205.3934383577.

The spelling of 8664823 in words is "eight million, six hundred sixty-four thousand, eight hundred twenty-three".