47881343 has 2 divisors, whose sum is σ = 47881344. Its totient is φ = 47881342.

The previous prime is 47881303. The next prime is 47881409. The reversal of 47881343 is 34318874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47881343 - 2²⁴ = 31104127 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 47881297 and 47881306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47881303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23940671 + 23940672.

It is an arithmetic number, because the mean of its divisors is an integer number (23940672).

Almost surely, 2^47881343 is an apocalyptic number.

47881343 is a deficient number, since it is larger than the sum of its proper divisors (1).

47881343 is an equidigital number, since it uses as much as digits as its factorization.

47881343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 47881343 is about 6919.6346001794. The cubic root of 47881343 is about 363.1244074691.

The spelling of 47881343 in words is "forty-seven million, eight hundred eighty-one thousand, three hundred forty-three".