47913847 has 2 divisors, whose sum is σ = 47913848. Its totient is φ = 47913846.

The previous prime is 47913823. The next prime is 47913889. The reversal of 47913847 is 74831974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47913847 - 2¹⁵ = 47881079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47913647) 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, 23956923 + 23956924.

It is an arithmetic number, because the mean of its divisors is an integer number (23956924).

Almost surely, 2^47913847 is an apocalyptic number.

47913847 is a deficient number, since it is larger than the sum of its proper divisors (1).

47913847 is an equidigital number, since it uses as much as digits as its factorization.

47913847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 47913847 is about 6921.9828806492. The cubic root of 47913847 is about 363.2065572530.

The spelling of 47913847 in words is "forty-seven million, nine hundred thirteen thousand, eight hundred forty-seven".