47213780664067 has 2 divisors, whose sum is σ = 47213780664068. Its totient is φ = 47213780664066.

The previous prime is 47213780664047. The next prime is 47213780664077. The reversal of 47213780664067 is 76046608731274.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47213780664067 - 2²³ = 47213772275459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47213780663996 and 47213780664014.

It is not a weakly prime, because it can be changed into another prime (47213780664007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23606890332033 + 23606890332034.

It is an arithmetic number, because the mean of its divisors is an integer number (23606890332034).

Almost surely, 2^{47213780664067} is an apocalyptic number.

47213780664067 is a deficient number, since it is larger than the sum of its proper divisors (1).

47213780664067 is an equidigital number, since it uses as much as digits as its factorization.

47213780664067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56899584, while the sum is 61.

The spelling of 47213780664067 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred eighty million, six hundred sixty-four thousand, sixty-seven".