5188778717 has 2 divisors, whose sum is σ = 5188778718. Its totient is φ = 5188778716.

The previous prime is 5188778701. The next prime is 5188778719. The reversal of 5188778717 is 7178778815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4948559716 + 240219001 = 70346^2 + 15499^2 .

It is a cyclic number.

It is not a de Polignac number, because 5188778717 - 2⁴ = 5188778701 is a prime.

Together with 5188778719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5188778719) 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, 2594389358 + 2594389359.

It is an arithmetic number, because the mean of its divisors is an integer number (2594389359).

Almost surely, 2^5188778717 is an apocalyptic number.

It is an amenable number.

5188778717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5188778717 is an equidigital number, since it uses as much as digits as its factorization.

5188778717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6146560, while the sum is 59.

The square root of 5188778717 is about 72033.1778904693. The cubic root of 5188778717 is about 1731.2311190806.

The spelling of 5188778717 in words is "five billion, one hundred eighty-eight million, seven hundred seventy-eight thousand, seven hundred seventeen".