5238539847 has 24 divisors (see below), whose sum is σ = 7606478880. Its totient is φ = 3474089280.

The previous prime is 5238539827. The next prime is 5238539861. The reversal of 5238539847 is 7489358325.

5238539847 is a `hidden beast` number, since 5 + 23 + 8 + 539 + 84 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5238539847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5238539793 and 5238539802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238539807) 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 23 ways as a sum of consecutive naturals, for example, 1487733 + ... + 1491249.

It is an arithmetic number, because the mean of its divisors is an integer number (316936620).

Almost surely, 2^5238539847 is an apocalyptic number.

5238539847 is a deficient number, since it is larger than the sum of its proper divisors (2367939033).

5238539847 is a wasteful number, since it uses less digits than its factorization.

5238539847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343 (or 4340 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 5238539847 is about 72377.7579578146. The cubic root of 5238539847 is about 1736.7477726636.

The spelling of 5238539847 in words is "five billion, two hundred thirty-eight million, five hundred thirty-nine thousand, eight hundred forty-seven".