6870777313 has 2 divisors, whose sum is σ = 6870777314. Its totient is φ = 6870777312.

The previous prime is 6870777299. The next prime is 6870777383. The reversal of 6870777313 is 3137770786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6576723409 + 294053904 = 81097^2 + 17148^2 .

It is a cyclic number.

It is not a de Polignac number, because 6870777313 - 2¹³ = 6870769121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6870777383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435388656 + 3435388657.

It is an arithmetic number, because the mean of its divisors is an integer number (3435388657).

Almost surely, 2^6870777313 is an apocalyptic number.

It is an amenable number.

6870777313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6870777313 is an equidigital number, since it uses as much as digits as its factorization.

6870777313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The square root of 6870777313 is about 82890.1520869639. The cubic root of 6870777313 is about 1901.0868493665.

The spelling of 6870777313 in words is "six billion, eight hundred seventy million, seven hundred seventy-seven thousand, three hundred thirteen".