6828664438087 has 2 divisors, whose sum is σ = 6828664438088. Its totient is φ = 6828664438086.

The previous prime is 6828664438069. The next prime is 6828664438207. The reversal of 6828664438087 is 7808344668286.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6828664438087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6828664439087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3414332219043 + 3414332219044.

It is an arithmetic number, because the mean of its divisors is an integer number (3414332219044).

Almost surely, 2^{6828664438087} is an apocalyptic number.

6828664438087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6828664438087 is an equidigital number, since it uses as much as digits as its factorization.

6828664438087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 594542592, while the sum is 70.

The spelling of 6828664438087 in words is "six trillion, eight hundred twenty-eight billion, six hundred sixty-four million, four hundred thirty-eight thousand, eighty-seven".