5387117831 has 2 divisors, whose sum is σ = 5387117832. Its totient is φ = 5387117830.

The previous prime is 5387117819. The next prime is 5387117833. The reversal of 5387117831 is 1387117835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5387117831 - 2⁶ = 5387117767 is a prime.

It is a super-2 number, since 2×5387117831² = 58042077050156289122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5387117833, 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 (5387117833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693558915 + 2693558916.

It is an arithmetic number, because the mean of its divisors is an integer number (2693558916).

Almost surely, 2^5387117831 is an apocalyptic number.

5387117831 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387117831 is an equidigital number, since it uses as much as digits as its factorization.

5387117831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 5387117831 is about 73396.9878877873. The cubic root of 5387117831 is about 1753.0144324238.

The spelling of 5387117831 in words is "five billion, three hundred eighty-seven million, one hundred seventeen thousand, eight hundred thirty-one".