47638163 has 2 divisors, whose sum is σ = 47638164. Its totient is φ = 47638162.

The previous prime is 47638159. The next prime is 47638177. The reversal of 47638163 is 36183674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47638163 - 2² = 47638159 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47638153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23819081 + 23819082.

It is an arithmetic number, because the mean of its divisors is an integer number (23819082).

Almost surely, 2^47638163 is an apocalyptic number.

47638163 is a deficient number, since it is larger than the sum of its proper divisors (1).

47638163 is an equidigital number, since it uses as much as digits as its factorization.

47638163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 47638163 is about 6902.0404953898. The cubic root of 47638163 is about 362.5086177896.

The spelling of 47638163 in words is "forty-seven million, six hundred thirty-eight thousand, one hundred sixty-three".