5217667747 has 2 divisors, whose sum is σ = 5217667748. Its totient is φ = 5217667746.

The previous prime is 5217667723. The next prime is 5217667751. The reversal of 5217667747 is 7477667125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5217667747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5217667694 and 5217667703.

It is not a weakly prime, because it can be changed into another prime (5217667787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608833873 + 2608833874.

It is an arithmetic number, because the mean of its divisors is an integer number (2608833874).

Almost surely, 2^5217667747 is an apocalyptic number.

5217667747 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217667747 is an equidigital number, since it uses as much as digits as its factorization.

5217667747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3457440, while the sum is 52.

The square root of 5217667747 is about 72233.4254137238. The cubic root of 5217667747 is about 1734.4381072109.

The spelling of 5217667747 in words is "five billion, two hundred seventeen million, six hundred sixty-seven thousand, seven hundred forty-seven".