27477948248271 has 20 divisors (see below), whose sum is σ = 41117232745512. Its totient is φ = 18287424924048.

The previous prime is 27477948248213. The next prime is 27477948248281. The reversal of 27477948248271 is 17284284977472.

27477948248271 is a `hidden beast` number, since 2 + 7 + 4 + 7 + 79 + 4 + 8 + 2 + 482 + 71 = 666.

It is not a de Polignac number, because 27477948248271 - 2¹⁰ = 27477948247247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27477948248271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27477948248281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288908100 + ... + 289003193.

Almost surely, 2^{27477948248271} is an apocalyptic number.

27477948248271 is a deficient number, since it is larger than the sum of its proper divisors (13639284497241).

27477948248271 is an equidigital number, since it uses as much as digits as its factorization.

27477948248271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577911892 (or 577911883 counting only the distinct ones).

The product of its digits is 708083712, while the sum is 72.

The spelling of 27477948248271 in words is "twenty-seven trillion, four hundred seventy-seven billion, nine hundred forty-eight million, two hundred forty-eight thousand, two hundred seventy-one".