47866137017 has 2 divisors, whose sum is σ = 47866137018. Its totient is φ = 47866137016.

The previous prime is 47866137013. The next prime is 47866137041. The reversal of 47866137017 is 71073166874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47843250361 + 22886656 = 218731^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 47866137017 - 2² = 47866137013 is a prime.

It is a super-3 number, since 3×47866137017³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (47866137013) 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 as a sum of consecutive naturals, namely, 23933068508 + 23933068509.

It is an arithmetic number, because the mean of its divisors is an integer number (23933068509).

Almost surely, 2^47866137017 is an apocalyptic number.

It is an amenable number.

47866137017 is a deficient number, since it is larger than the sum of its proper divisors (1).

47866137017 is an equidigital number, since it uses as much as digits as its factorization.

47866137017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 47866137017 in words is "forty-seven billion, eight hundred sixty-six million, one hundred thirty-seven thousand, seventeen".