5147347847 has 4 divisors (see below), whose sum is σ = 5219845776. Its totient is φ = 5074849920.

The previous prime is 5147347801. The next prime is 5147347861. The reversal of 5147347847 is 7487437415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5147347847 - 2⁸ = 5147347591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5147347795 and 5147347804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147349847) 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 3 ways as a sum of consecutive naturals, for example, 36248858 + ... + 36248999.

It is an arithmetic number, because the mean of its divisors is an integer number (1304961444).

Almost surely, 2^5147347847 is an apocalyptic number.

5147347847 is a deficient number, since it is larger than the sum of its proper divisors (72497929).

5147347847 is an equidigital number, since it uses as much as digits as its factorization.

5147347847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72497928.

The product of its digits is 2634240, while the sum is 50.

The square root of 5147347847 is about 71745.0196668730. The cubic root of 5147347847 is about 1726.6110102205.

The spelling of 5147347847 in words is "five billion, one hundred forty-seven million, three hundred forty-seven thousand, eight hundred forty-seven".