47284663 has 2 divisors, whose sum is σ = 47284664. Its totient is φ = 47284662.

The previous prime is 47284661. The next prime is 47284669. The reversal of 47284663 is 36648274.

It is a happy number.

47284663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47284663 - 2¹ = 47284661 is a prime.

Together with 47284661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47284661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23642331 + 23642332.

It is an arithmetic number, because the mean of its divisors is an integer number (23642332).

Almost surely, 2^47284663 is an apocalyptic number.

47284663 is a deficient number, since it is larger than the sum of its proper divisors (1).

47284663 is an equidigital number, since it uses as much as digits as its factorization.

47284663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 47284663 is about 6876.3844424232. The cubic root of 47284663 is about 361.6097230553.

The spelling of 47284663 in words is "forty-seven million, two hundred eighty-four thousand, six hundred sixty-three".