8423696664 has 48 divisors (see below), whose sum is σ = 24014928600. Its totient is φ = 2660114304.

The previous prime is 8423696657. The next prime is 8423696693. The reversal of 8423696664 is 4666963248.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8423696664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3077469 + ... + 3080204.

Almost surely, 2^8423696664 is an apocalyptic number.

It is an amenable number.

8423696664 is an abundant number, since it is smaller than the sum of its proper divisors (15591231936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8423696664 is a wasteful number, since it uses less digits than its factorization.

8423696664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157704 (or 6157697 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The square root of 8423696664 is about 91780.6987552394. The cubic root of 8423696664 is about 2034.7024429960.

The spelling of 8423696664 in words is "eight billion, four hundred twenty-three million, six hundred ninety-six thousand, six hundred sixty-four".