47207677843817 has 2 divisors, whose sum is σ = 47207677843818. Its totient is φ = 47207677843816.

The previous prime is 47207677843811. The next prime is 47207677843847. The reversal of 47207677843817 is 71834877670274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33871713243481 + 13335964600336 = 5819941^2 + 3651844^2 .

It is a cyclic number.

It is not a de Polignac number, because 47207677843817 - 2³⁸ = 46932799936873 is a prime.

It is a super-2 number, since 2×47207677843817² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47207677843811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603838921908 + 23603838921909.

It is an arithmetic number, because the mean of its divisors is an integer number (23603838921909).

Almost surely, 2^{47207677843817} is an apocalyptic number.

It is an amenable number.

47207677843817 is a deficient number, since it is larger than the sum of its proper divisors (1).

47207677843817 is an equidigital number, since it uses as much as digits as its factorization.

47207677843817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 619573248, while the sum is 71.

The spelling of 47207677843817 in words is "forty-seven trillion, two hundred seven billion, six hundred seventy-seven million, eight hundred forty-three thousand, eight hundred seventeen".