2864120047 has 2 divisors, whose sum is σ = 2864120048. Its totient is φ = 2864120046.

The previous prime is 2864120029. The next prime is 2864120081. The reversal of 2864120047 is 7400214682.

It is a happy number.

It is an a-pointer prime, because the next prime (2864120081) can be obtained adding 2864120047 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864120047 - 2¹¹ = 2864117999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2864119994 and 2864120021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864120947) 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, 1432060023 + 1432060024.

It is an arithmetic number, because the mean of its divisors is an integer number (1432060024).

Almost surely, 2^2864120047 is an apocalyptic number.

2864120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864120047 is an equidigital number, since it uses as much as digits as its factorization.

2864120047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2864120047 is about 53517.4742210430. The cubic root of 2864120047 is about 1420.1375332966.

The spelling of 2864120047 in words is "two billion, eight hundred sixty-four million, one hundred twenty thousand, forty-seven".