5187111847 has 2 divisors, whose sum is σ = 5187111848. Its totient is φ = 5187111846.

The previous prime is 5187111799. The next prime is 5187111857. The reversal of 5187111847 is 7481117815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5187111847 is a prime.

It is a super-2 number, since 2×5187111847² = 53812258626575502818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5187111857) 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, 2593555923 + 2593555924.

It is an arithmetic number, because the mean of its divisors is an integer number (2593555924).

Almost surely, 2^5187111847 is an apocalyptic number.

5187111847 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187111847 is an equidigital number, since it uses as much as digits as its factorization.

5187111847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 43.

The square root of 5187111847 is about 72021.6068065688. The cubic root of 5187111847 is about 1731.0457160254.

The spelling of 5187111847 in words is "five billion, one hundred eighty-seven million, one hundred eleven thousand, eight hundred forty-seven".