6778043 has 2 divisors, whose sum is σ = 6778044. Its totient is φ = 6778042.

The previous prime is 6778039. The next prime is 6778049. The reversal of 6778043 is 3408776.

6778043 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 6778043 - 2² = 6778039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6777994 and 6778012.

It is not a weakly prime, because it can be changed into another prime (6778049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389021 + 3389022.

It is an arithmetic number, because the mean of its divisors is an integer number (3389022).

Almost surely, 2^6778043 is an apocalyptic number.

6778043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778043 is an equidigital number, since it uses as much as digits as its factorization.

6778043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6778043 is about 2603.4674954760. The cubic root of 6778043 is about 189.2495141473.

The spelling of 6778043 in words is "six million, seven hundred seventy-eight thousand, forty-three".