47978327183 has 4 divisors (see below), whose sum is σ = 48255658728. Its totient is φ = 47700995640.

The previous prime is 47978327171. The next prime is 47978327203. The reversal of 47978327183 is 38172387974.

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 47978327183 - 2⁸ = 47978326927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47978327123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138665513 + ... + 138665858.

It is an arithmetic number, because the mean of its divisors is an integer number (12063914682).

Almost surely, 2^47978327183 is an apocalyptic number.

47978327183 is a deficient number, since it is larger than the sum of its proper divisors (277331545).

47978327183 is a wasteful number, since it uses less digits than its factorization.

47978327183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277331544.

The product of its digits is 14224896, while the sum is 59.

The spelling of 47978327183 in words is "forty-seven billion, nine hundred seventy-eight million, three hundred twenty-seven thousand, one hundred eighty-three".