6777078011047 has 2 divisors, whose sum is σ = 6777078011048. Its totient is φ = 6777078011046.

The previous prime is 6777078011021. The next prime is 6777078011107. The reversal of 6777078011047 is 7401108707776.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6777078011047 is a prime.

It is a super-2 number, since 2×6777078011047² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6777078011947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388539005523 + 3388539005524.

It is an arithmetic number, because the mean of its divisors is an integer number (3388539005524).

Almost surely, 2^{6777078011047} is an apocalyptic number.

6777078011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777078011047 is an equidigital number, since it uses as much as digits as its factorization.

6777078011047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3226944, while the sum is 55.

The spelling of 6777078011047 in words is "six trillion, seven hundred seventy-seven billion, seventy-eight million, eleven thousand, forty-seven".