6678812827 has 2 divisors, whose sum is σ = 6678812828. Its totient is φ = 6678812826.

The previous prime is 6678812783. The next prime is 6678812837. The reversal of 6678812827 is 7282188766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6678812827 is a prime.

It is not a weakly prime, because it can be changed into another prime (6678812837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339406413 + 3339406414.

It is an arithmetic number, because the mean of its divisors is an integer number (3339406414).

Almost surely, 2^6678812827 is an apocalyptic number.

6678812827 is a deficient number, since it is larger than the sum of its proper divisors (1).

6678812827 is an equidigital number, since it uses as much as digits as its factorization.

6678812827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 55.

The square root of 6678812827 is about 81724.0039829180. The cubic root of 6678812827 is about 1883.2143617609.

The spelling of 6678812827 in words is "six billion, six hundred seventy-eight million, eight hundred twelve thousand, eight hundred twenty-seven".