8464323665 has 16 divisors (see below), whose sum is σ = 11615764608. Its totient is φ = 5800333056.

The previous prime is 8464323631. The next prime is 8464323683. The reversal of 8464323665 is 5663234648.

It is not a de Polignac number, because 8464323665 - 2¹⁰ = 8464322641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23507 + ... + 132216.

It is an arithmetic number, because the mean of its divisors is an integer number (725985288).

Almost surely, 2^8464323665 is an apocalyptic number.

It is an amenable number.

8464323665 is a deficient number, since it is larger than the sum of its proper divisors (3151440943).

8464323665 is a wasteful number, since it uses less digits than its factorization.

8464323665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157288.

The product of its digits is 2488320, while the sum is 47.

The square root of 8464323665 is about 92001.7590320968. The cubic root of 8464323665 is about 2037.9682822937.

The spelling of 8464323665 in words is "eight billion, four hundred sixty-four million, three hundred twenty-three thousand, six hundred sixty-five".