5128647287 has 2 divisors, whose sum is σ = 5128647288. Its totient is φ = 5128647286.

The previous prime is 5128647259. The next prime is 5128647289. The reversal of 5128647287 is 7827468215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5128647287 - 2⁸ = 5128647031 is a prime.

Together with 5128647289, 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 (5128647289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564323643 + 2564323644.

It is an arithmetic number, because the mean of its divisors is an integer number (2564323644).

Almost surely, 2^5128647287 is an apocalyptic number.

5128647287 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128647287 is an equidigital number, since it uses as much as digits as its factorization.

5128647287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 50.

The square root of 5128647287 is about 71614.5745431752. The cubic root of 5128647287 is about 1724.5175195617.

The spelling of 5128647287 in words is "five billion, one hundred twenty-eight million, six hundred forty-seven thousand, two hundred eighty-seven".