6768329768 has 16 divisors (see below), whose sum is σ = 12775792500. Its totient is φ = 3361451776.

The previous prime is 6768329767. The next prime is 6768329797. The reversal of 6768329768 is 8679238676.

It can be written as a sum of positive squares in 2 ways, for example, as 6713835844 + 54493924 = 81938^2 + 7382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6768329768.

It is not an unprimeable number, because it can be changed into a prime (6768329767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837873 + ... + 2840256.

Almost surely, 2^6768329768 is an apocalyptic number.

It is an amenable number.

6768329768 is a deficient number, since it is larger than the sum of its proper divisors (6007462732).

6768329768 is a wasteful number, since it uses less digits than its factorization.

6768329768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678284 (or 5678280 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The square root of 6768329768 is about 82269.8594140041. The cubic root of 6768329768 is about 1891.5906998709.

The spelling of 6768329768 in words is "six billion, seven hundred sixty-eight million, three hundred twenty-nine thousand, seven hundred sixty-eight".