7878795713 has 2 divisors, whose sum is σ = 7878795714. Its totient is φ = 7878795712.

The previous prime is 7878795703. The next prime is 7878795767. The reversal of 7878795713 is 3175978787.

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., 4790993089 + 3087802624 = 69217^2 + 55568^2 .

It is a cyclic number.

It is not a de Polignac number, because 7878795713 - 2¹⁶ = 7878730177 is a prime.

It is not a weakly prime, because it can be changed into another prime (7878795703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939397856 + 3939397857.

It is an arithmetic number, because the mean of its divisors is an integer number (3939397857).

Almost surely, 2^7878795713 is an apocalyptic number.

It is an amenable number.

7878795713 is a deficient number, since it is larger than the sum of its proper divisors (1).

7878795713 is an equidigital number, since it uses as much as digits as its factorization.

7878795713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20744640, while the sum is 62.

The square root of 7878795713 is about 88762.5805900212. The cubic root of 7878795713 is about 1989.8482004189.

The spelling of 7878795713 in words is "seven billion, eight hundred seventy-eight million, seven hundred ninety-five thousand, seven hundred thirteen".