8664799 has 24 divisors (see below), whose sum is σ = 10540800. Its totient is φ = 7057440.

The previous prime is 8664791. The next prime is 8664847. The reversal of 8664799 is 9974668.

8664799 = T₆₄₇ + T₆₄₈ + ... + T₆₈₅.

It is not a de Polignac number, because 8664799 - 2³ = 8664791 is a prime.

It is a Duffinian number.

Its product of digits (653184) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664791) 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 23 ways as a sum of consecutive naturals, for example, 109642 + ... + 109720.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^8664799 is an apocalyptic number.

8664799 is a deficient number, since it is larger than the sum of its proper divisors (1876001).

8664799 is a wasteful number, since it uses less digits than its factorization.

8664799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 8664799 is about 2943.6030642734. The cubic root of 8664799 is about 205.3932487232.

It can be divided in two parts, 866 and 4799, that added together give a palindrome (5665).

The spelling of 8664799 in words is "eight million, six hundred sixty-four thousand, seven hundred ninety-nine".