6776406547 has 2 divisors, whose sum is σ = 6776406548. Its totient is φ = 6776406546.

The previous prime is 6776406521. The next prime is 6776406583. The reversal of 6776406547 is 7456046776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6776406547 - 2⁷ = 6776406419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6776406494 and 6776406503.

It is not a weakly prime, because it can be changed into another prime (6776406587) 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, 3388203273 + 3388203274.

It is an arithmetic number, because the mean of its divisors is an integer number (3388203274).

Almost surely, 2^6776406547 is an apocalyptic number.

6776406547 is a deficient number, since it is larger than the sum of its proper divisors (1).

6776406547 is an equidigital number, since it uses as much as digits as its factorization.

6776406547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The square root of 6776406547 is about 82318.9318868995. The cubic root of 6776406547 is about 1892.3428247145.

The spelling of 6776406547 in words is "six billion, seven hundred seventy-six million, four hundred six thousand, five hundred forty-seven".