5187868847 has 16 divisors (see below), whose sum is σ = 6007160832. Its totient is φ = 4388489280.

The previous prime is 5187868837. The next prime is 5187868849. The reversal of 5187868847 is 7488687815.

It is not a de Polignac number, because 5187868847 - 2¹⁸ = 5187606703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5187868847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187868849) 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 in 15 ways as a sum of consecutive naturals, for example, 154523 + ... + 185075.

It is an arithmetic number, because the mean of its divisors is an integer number (375447552).

Almost surely, 2^5187868847 is an apocalyptic number.

5187868847 is a deficient number, since it is larger than the sum of its proper divisors (819291985).

5187868847 is a wasteful number, since it uses less digits than its factorization.

5187868847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30878.

The product of its digits is 24084480, while the sum is 62.

The square root of 5187868847 is about 72026.8619821800. The cubic root of 5187868847 is about 1731.1299207431.

The spelling of 5187868847 in words is "five billion, one hundred eighty-seven million, eight hundred sixty-eight thousand, eight hundred forty-seven".