47277271 has 2 divisors, whose sum is σ = 47277272. Its totient is φ = 47277270.

The previous prime is 47277229. The next prime is 47277281. The reversal of 47277271 is 17277274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47277271 - 2¹⁵ = 47244503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47277271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47277281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23638635 + 23638636.

It is an arithmetic number, because the mean of its divisors is an integer number (23638636).

Almost surely, 2^47277271 is an apocalyptic number.

47277271 is a deficient number, since it is larger than the sum of its proper divisors (1).

47277271 is an equidigital number, since it uses as much as digits as its factorization.

47277271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38416, while the sum is 37.

The square root of 47277271 is about 6875.8469296516. The cubic root of 47277271 is about 361.5908786196.

The spelling of 47277271 in words is "forty-seven million, two hundred seventy-seven thousand, two hundred seventy-one".