5172786247 has 2 divisors, whose sum is σ = 5172786248. Its totient is φ = 5172786246.

The previous prime is 5172786211. The next prime is 5172786257. The reversal of 5172786247 is 7426872715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5172786247 - 2¹⁹ = 5172261959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5172786247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5172786257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586393123 + 2586393124.

It is an arithmetic number, because the mean of its divisors is an integer number (2586393124).

Almost surely, 2^5172786247 is an apocalyptic number.

5172786247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172786247 is an equidigital number, since it uses as much as digits as its factorization.

5172786247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 49.

The square root of 5172786247 is about 71922.0845568314. The cubic root of 5172786247 is about 1729.4506644594.

The spelling of 5172786247 in words is "five billion, one hundred seventy-two million, seven hundred eighty-six thousand, two hundred forty-seven".