27712645263 has 20 divisors (see below), whose sum is σ = 43576741560. Its totient is φ = 17502722352.

The previous prime is 27712645243. The next prime is 27712645309. The reversal of 27712645263 is 36254621772.

27712645263 is a `hidden beast` number, since 2 + 77 + 126 + 452 + 6 + 3 = 666.

It is not a de Polignac number, because 27712645263 - 2⁵ = 27712645231 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27712645223) 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, 9001920 + ... + 9004997.

It is an arithmetic number, because the mean of its divisors is an integer number (2178837078).

Almost surely, 2^27712645263 is an apocalyptic number.

27712645263 is a deficient number, since it is larger than the sum of its proper divisors (15864096297).

27712645263 is a wasteful number, since it uses less digits than its factorization.

27712645263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006948 (or 18006939 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 27712645263 in words is "twenty-seven billion, seven hundred twelve million, six hundred forty-five thousand, two hundred sixty-three".