6787804213 has 2 divisors, whose sum is σ = 6787804214. Its totient is φ = 6787804212.

The previous prime is 6787804157. The next prime is 6787804277. The reversal of 6787804213 is 3124087876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6212907684 + 574896529 = 78822^2 + 23977^2 .

It is a cyclic number.

It is not a de Polignac number, because 6787804213 - 2¹³ = 6787796021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6787804613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393902106 + 3393902107.

It is an arithmetic number, because the mean of its divisors is an integer number (3393902107).

Almost surely, 2^6787804213 is an apocalyptic number.

It is an amenable number.

6787804213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6787804213 is an equidigital number, since it uses as much as digits as its factorization.

6787804213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 6787804213 is about 82388.1315056969. The cubic root of 6787804213 is about 1893.4031807333.

The spelling of 6787804213 in words is "six billion, seven hundred eighty-seven million, eight hundred four thousand, two hundred thirteen".