47783147 has 2 divisors, whose sum is σ = 47783148. Its totient is φ = 47783146.

The previous prime is 47783143. The next prime is 47783149. The reversal of 47783147 is 74138774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47783147 - 2² = 47783143 is a prime.

Together with 47783149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47783143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23891573 + 23891574.

It is an arithmetic number, because the mean of its divisors is an integer number (23891574).

Almost surely, 2^47783147 is an apocalyptic number.

47783147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47783147 is an equidigital number, since it uses as much as digits as its factorization.

47783147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 41.

The square root of 47783147 is about 6912.5354971964. The cubic root of 47783147 is about 362.8760033552.

The spelling of 47783147 in words is "forty-seven million, seven hundred eighty-three thousand, one hundred forty-seven".