5142047847 has 16 divisors (see below), whose sum is σ = 6912434688. Its totient is φ = 3399919200.

The previous prime is 5142047837. The next prime is 5142047849. The reversal of 5142047847 is 7487402415.

It is not a de Polignac number, because 5142047847 - 2⁷ = 5142047719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5142047799 and 5142047808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142047849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287118 + ... + 304500.

It is an arithmetic number, because the mean of its divisors is an integer number (432027168).

Almost surely, 2^5142047847 is an apocalyptic number.

5142047847 is a deficient number, since it is larger than the sum of its proper divisors (1770386841).

5142047847 is a wasteful number, since it uses less digits than its factorization.

5142047847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190.

The product of its (nonzero) digits is 250880, while the sum is 42.

The square root of 5142047847 is about 71708.0737922865. The cubic root of 5142047847 is about 1726.0182013130.

The spelling of 5142047847 in words is "five billion, one hundred forty-two million, forty-seven thousand, eight hundred forty-seven".