47771271 has 6 divisors (see below), whose sum is σ = 69002960. Its totient is φ = 31847508.

The previous prime is 47771267. The next prime is 47771281. The reversal of 47771271 is 17217774.

It is not a de Polignac number, because 47771271 - 2² = 47771267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47771281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2653951 + ... + 2653968.

Almost surely, 2^47771271 is an apocalyptic number.

47771271 is a deficient number, since it is larger than the sum of its proper divisors (21231689).

47771271 is a wasteful number, since it uses less digits than its factorization.

47771271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307925 (or 5307922 counting only the distinct ones).

The product of its digits is 19208, while the sum is 36.

The square root of 47771271 is about 6911.6764247178. The cubic root of 47771271 is about 362.8459378561.

The spelling of 47771271 in words is "forty-seven million, seven hundred seventy-one thousand, two hundred seventy-one".