47918347 has 2 divisors, whose sum is σ = 47918348. Its totient is φ = 47918346.

The previous prime is 47918341. The next prime is 47918357. The reversal of 47918347 is 74381974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47918347 - 2¹¹ = 47916299 is a prime.

It is not a weakly prime, because it can be changed into another prime (47918341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23959173 + 23959174.

It is an arithmetic number, because the mean of its divisors is an integer number (23959174).

Almost surely, 2^47918347 is an apocalyptic number.

47918347 is a deficient number, since it is larger than the sum of its proper divisors (1).

47918347 is an equidigital number, since it uses as much as digits as its factorization.

47918347 is an evil number, because the sum of its binary digits is even.

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

The square root of 47918347 is about 6922.3079243848. The cubic root of 47918347 is about 363.2179275106.

The spelling of 47918347 in words is "forty-seven million, nine hundred eighteen thousand, three hundred forty-seven".