6768087329 has 2 divisors, whose sum is σ = 6768087330. Its totient is φ = 6768087328.

The previous prime is 6768087301. The next prime is 6768087377. The reversal of 6768087329 is 9237808676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4836924304 + 1931163025 = 69548^2 + 43945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6768087329 is a prime.

It is not a weakly prime, because it can be changed into another prime (6768087229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384043664 + 3384043665.

It is an arithmetic number, because the mean of its divisors is an integer number (3384043665).

Almost surely, 2^6768087329 is an apocalyptic number.

It is an amenable number.

6768087329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768087329 is an equidigital number, since it uses as much as digits as its factorization.

6768087329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The square root of 6768087329 is about 82268.3859632605. The cubic root of 6768087329 is about 1891.5681142479.

The spelling of 6768087329 in words is "six billion, seven hundred sixty-eight million, eighty-seven thousand, three hundred twenty-nine".