47111047 has 2 divisors, whose sum is σ = 47111048. Its totient is φ = 47111046.

The previous prime is 47111033. The next prime is 47111081. The reversal of 47111047 is 74011174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47111047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47111017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23555523 + 23555524.

It is an arithmetic number, because the mean of its divisors is an integer number (23555524).

Almost surely, 2^47111047 is an apocalyptic number.

47111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

47111047 is an equidigital number, since it uses as much as digits as its factorization.

47111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 47111047 is about 6863.7487570569. The cubic root of 47111047 is about 361.1666038339.

The spelling of 47111047 in words is "forty-seven million, one hundred eleven thousand, forty-seven".