47431127 has 2 divisors, whose sum is σ = 47431128. Its totient is φ = 47431126.

The previous prime is 47431121. The next prime is 47431141. The reversal of 47431127 is 72113474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47431127 - 2⁸ = 47430871 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47431127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47431121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23715563 + 23715564.

It is an arithmetic number, because the mean of its divisors is an integer number (23715564).

Almost surely, 2^47431127 is an apocalyptic number.

47431127 is a deficient number, since it is larger than the sum of its proper divisors (1).

47431127 is an equidigital number, since it uses as much as digits as its factorization.

47431127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 47431127 is about 6887.0259909485. The cubic root of 47431127 is about 361.9826996402.

The spelling of 47431127 in words is "forty-seven million, four hundred thirty-one thousand, one hundred twenty-seven".