47411891 has 2 divisors, whose sum is σ = 47411892. Its totient is φ = 47411890.

The previous prime is 47411887. The next prime is 47411921. The reversal of 47411891 is 19811474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47411891 - 2² = 47411887 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47411831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23705945 + 23705946.

It is an arithmetic number, because the mean of its divisors is an integer number (23705946).

Almost surely, 2^47411891 is an apocalyptic number.

47411891 is a deficient number, since it is larger than the sum of its proper divisors (1).

47411891 is an equidigital number, since it uses as much as digits as its factorization.

47411891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 47411891 is about 6885.6293103826. The cubic root of 47411891 is about 361.9337582159.

The spelling of 47411891 in words is "forty-seven million, four hundred eleven thousand, eight hundred ninety-one".