6778872544259 has 2 divisors, whose sum is σ = 6778872544260. Its totient is φ = 6778872544258.

The previous prime is 6778872544219. The next prime is 6778872544277. The reversal of 6778872544259 is 9524452788776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6778872544259 - 2²⁸ = 6778604108803 is a prime.

It is a super-3 number, since 3×6778872544259³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6778872544219) 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, 3389436272129 + 3389436272130.

It is an arithmetic number, because the mean of its divisors is an integer number (3389436272130).

Almost surely, 2^{6778872544259} is an apocalyptic number.

6778872544259 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778872544259 is an equidigital number, since it uses as much as digits as its factorization.

6778872544259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1896652800, while the sum is 74.

The spelling of 6778872544259 in words is "six trillion, seven hundred seventy-eight billion, eight hundred seventy-two million, five hundred forty-four thousand, two hundred fifty-nine".