27714682081 has 4 divisors (see below), whose sum is σ = 27739362352. Its totient is φ = 27690001812.

The previous prime is 27714682043. The next prime is 27714682109. The reversal of 27714682081 is 18028641772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27714682081 is a prime.

It is a super-2 number, since 2×27714682081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27714682781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338451 + ... + 12340696.

It is an arithmetic number, because the mean of its divisors is an integer number (6934840588).

Almost surely, 2^27714682081 is an apocalyptic number.

It is an amenable number.

27714682081 is a deficient number, since it is larger than the sum of its proper divisors (24680271).

27714682081 is a wasteful number, since it uses less digits than its factorization.

27714682081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24680270.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 27714682081 in words is "twenty-seven billion, seven hundred fourteen million, six hundred eighty-two thousand, eighty-one".