6778104679 has 2 divisors, whose sum is σ = 6778104680. Its totient is φ = 6778104678.

The previous prime is 6778104653. The next prime is 6778104701. The reversal of 6778104679 is 9764018776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6778104679 - 2¹³ = 6778096487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6778104649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389052339 + 3389052340.

It is an arithmetic number, because the mean of its divisors is an integer number (3389052340).

Almost surely, 2^6778104679 is an apocalyptic number.

6778104679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778104679 is an equidigital number, since it uses as much as digits as its factorization.

6778104679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 6778104679 is about 82329.2455874582. The cubic root of 6778104679 is about 1892.5008819137.

The spelling of 6778104679 in words is "six billion, seven hundred seventy-eight million, one hundred four thousand, six hundred seventy-nine".