6684888755 has 8 divisors (see below), whose sum is σ = 8123409600. Its totient is φ = 5280215616.

The previous prime is 6684888739. The next prime is 6684888811. The reversal of 6684888755 is 5578884866.

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 6684888755 - 2⁴ = 6684888739 is a prime.

It is a super-3 number, since 3×6684888755³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6684888691 and 6684888700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8461490 + ... + 8462279.

It is an arithmetic number, because the mean of its divisors is an integer number (1015426200).

Almost surely, 2^6684888755 is an apocalyptic number.

6684888755 is a deficient number, since it is larger than the sum of its proper divisors (1438520845).

6684888755 is a wasteful number, since it uses less digits than its factorization.

6684888755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923853.

The product of its digits is 103219200, while the sum is 65.

The square root of 6684888755 is about 81761.1689923768. The cubic root of 6684888755 is about 1883.7852619653.

The spelling of 6684888755 in words is "six billion, six hundred eighty-four million, eight hundred eighty-eight thousand, seven hundred fifty-five".