5187868837 has 2 divisors, whose sum is σ = 5187868838. Its totient is φ = 5187868836.

The previous prime is 5187868811. The next prime is 5187868849. The reversal of 5187868837 is 7388687815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3019942116 + 2167926721 = 54954^2 + 46561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5187868837 - 2⁷ = 5187868709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5187868897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593934418 + 2593934419.

It is an arithmetic number, because the mean of its divisors is an integer number (2593934419).

Almost surely, 2^5187868837 is an apocalyptic number.

It is an amenable number.

5187868837 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187868837 is an equidigital number, since it uses as much as digits as its factorization.

5187868837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 61.

The square root of 5187868837 is about 72026.8619127614. The cubic root of 5187868837 is about 1731.1299196308.

The spelling of 5187868837 in words is "five billion, one hundred eighty-seven million, eight hundred sixty-eight thousand, eight hundred thirty-seven".