47839271 has 2 divisors, whose sum is σ = 47839272. Its totient is φ = 47839270.

The previous prime is 47839243. The next prime is 47839289. The reversal of 47839271 is 17293874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47839271 is a prime.

It is a super-2 number, since 2×47839271² = 4577191699622882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47839201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23919635 + 23919636.

It is an arithmetic number, because the mean of its divisors is an integer number (23919636).

Almost surely, 2^47839271 is an apocalyptic number.

47839271 is a deficient number, since it is larger than the sum of its proper divisors (1).

47839271 is an equidigital number, since it uses as much as digits as its factorization.

47839271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 47839271 is about 6916.5938871673. The cubic root of 47839271 is about 363.0180205419.

The spelling of 47839271 in words is "forty-seven million, eight hundred thirty-nine thousand, two hundred seventy-one".