47947859 has 2 divisors, whose sum is σ = 47947860. Its totient is φ = 47947858.

The previous prime is 47947853. The next prime is 47947883. The reversal of 47947859 is 95874974.

47947859 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 47947859 - 2⁴ = 47947843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47947859.

It is not a weakly prime, because it can be changed into another prime (47947853) 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, 23973929 + 23973930.

It is an arithmetic number, because the mean of its divisors is an integer number (23973930).

Almost surely, 2^47947859 is an apocalyptic number.

47947859 is a deficient number, since it is larger than the sum of its proper divisors (1).

47947859 is an equidigital number, since it uses as much as digits as its factorization.

47947859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 47947859 is about 6924.4392552755. The cubic root of 47947859 is about 363.2924785493.

The spelling of 47947859 in words is "forty-seven million, nine hundred forty-seven thousand, eight hundred fifty-nine".