6886791090787 has 2 divisors, whose sum is σ = 6886791090788. Its totient is φ = 6886791090786.

The previous prime is 6886791090763. The next prime is 6886791090841. The reversal of 6886791090787 is 7870901976886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6886791090787 - 2¹⁵ = 6886791058019 is a prime.

It is not a weakly prime, because it can be changed into another prime (6886791090887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443395545393 + 3443395545394.

It is an arithmetic number, because the mean of its divisors is an integer number (3443395545394).

Almost surely, 2^{6886791090787} is an apocalyptic number.

6886791090787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6886791090787 is an equidigital number, since it uses as much as digits as its factorization.

6886791090787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512096256, while the sum is 76.

The spelling of 6886791090787 in words is "six trillion, eight hundred eighty-six billion, seven hundred ninety-one million, ninety thousand, seven hundred eighty-seven".