6778580047 has 2 divisors, whose sum is σ = 6778580048. Its totient is φ = 6778580046.

The previous prime is 6778580027. The next prime is 6778580059. The reversal of 6778580047 is 7400858776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6778580047 - 2¹¹ = 6778577999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6778579976 and 6778580003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6778580027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389290023 + 3389290024.

It is an arithmetic number, because the mean of its divisors is an integer number (3389290024).

Almost surely, 2^6778580047 is an apocalyptic number.

6778580047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778580047 is an equidigital number, since it uses as much as digits as its factorization.

6778580047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The square root of 6778580047 is about 82332.1325303797. The cubic root of 6778580047 is about 1892.5451230584.

The spelling of 6778580047 in words is "six billion, seven hundred seventy-eight million, five hundred eighty thousand, forty-seven".