6786904673 has 2 divisors, whose sum is σ = 6786904674. Its totient is φ = 6786904672.

The previous prime is 6786904667. The next prime is 6786904717. The reversal of 6786904673 is 3764096876.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5943176464 + 843728209 = 77092^2 + 29047^2 .

It is a cyclic number.

It is not a de Polignac number, because 6786904673 - 2¹⁴ = 6786888289 is a prime.

It is not a weakly prime, because it can be changed into another prime (6786904603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393452336 + 3393452337.

It is an arithmetic number, because the mean of its divisors is an integer number (3393452337).

Almost surely, 2^6786904673 is an apocalyptic number.

It is an amenable number.

6786904673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786904673 is an equidigital number, since it uses as much as digits as its factorization.

6786904673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The square root of 6786904673 is about 82382.6721647216. The cubic root of 6786904673 is about 1893.3195372315.

The spelling of 6786904673 in words is "six billion, seven hundred eighty-six million, nine hundred four thousand, six hundred seventy-three".