6678812783 has 2 divisors, whose sum is σ = 6678812784. Its totient is φ = 6678812782.

The previous prime is 6678812773. The next prime is 6678812827. The reversal of 6678812783 is 3872188766.

It is a happy number.

6678812783 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6678812783 - 2²² = 6674618479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6678812773) 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 as a sum of consecutive naturals, namely, 3339406391 + 3339406392.

It is an arithmetic number, because the mean of its divisors is an integer number (3339406392).

Almost surely, 2^6678812783 is an apocalyptic number.

6678812783 is a deficient number, since it is larger than the sum of its proper divisors (1).

6678812783 is an equidigital number, since it uses as much as digits as its factorization.

6678812783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 56.

The square root of 6678812783 is about 81724.0037137193. The cubic root of 6678812783 is about 1883.2143576254.

The spelling of 6678812783 in words is "six billion, six hundred seventy-eight million, eight hundred twelve thousand, seven hundred eighty-three".