6688008899 has 8 divisors (see below), whose sum is σ = 7857241392. Its totient is φ = 5612315040.

The previous prime is 6688008881. The next prime is 6688008907. The reversal of 6688008899 is 9988008866.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6688008899 - 2⁸ = 6688008643 is a prime.

6688008899 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6688008869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23384504 + ... + 23384789.

It is an arithmetic number, because the mean of its divisors is an integer number (982155174).

Almost surely, 2^6688008899 is an apocalyptic number.

6688008899 is a deficient number, since it is larger than the sum of its proper divisors (1169232493).

6688008899 is a wasteful number, since it uses less digits than its factorization.

6688008899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46769317.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 6688008899 is about 81780.2476090651. The cubic root of 6688008899 is about 1884.0782993552.

The spelling of 6688008899 in words is "six billion, six hundred eighty-eight million, eight thousand, eight hundred ninety-nine".