8459664385 has 16 divisors (see below), whose sum is σ = 10958250240. Its totient is φ = 6250256320.

The previous prime is 8459664359. The next prime is 8459664407. The reversal of 8459664385 is 5834669548.

It is not a de Polignac number, because 8459664385 - 2¹³ = 8459656193 is a prime.

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, 1264981 + ... + 1271650.

It is an arithmetic number, because the mean of its divisors is an integer number (684890640).

Almost surely, 2^8459664385 is an apocalyptic number.

It is an amenable number.

8459664385 is a deficient number, since it is larger than the sum of its proper divisors (2498585855).

8459664385 is a wasteful number, since it uses less digits than its factorization.

8459664385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536688.

The product of its digits is 24883200, while the sum is 58.

The square root of 8459664385 is about 91976.4338567222. The cubic root of 8459664385 is about 2037.5942729788.

The spelling of 8459664385 in words is "eight billion, four hundred fifty-nine million, six hundred sixty-four thousand, three hundred eighty-five".