27966230711 has 4 divisors (see below), whose sum is σ = 27966622392. Its totient is φ = 27965839032.

The previous prime is 27966230693. The next prime is 27966230717. The reversal of 27966230711 is 11703266972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27966230711 is a prime.

It is a super-2 number, since 2×27966230711² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27966230717) 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, 54956 + ... + 242801.

It is an arithmetic number, because the mean of its divisors is an integer number (6991655598).

Almost surely, 2^27966230711 is an apocalyptic number.

27966230711 is a deficient number, since it is larger than the sum of its proper divisors (391681).

27966230711 is an equidigital number, since it uses as much as digits as its factorization.

27966230711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391680.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 27966230711 in words is "twenty-seven billion, nine hundred sixty-six million, two hundred thirty thousand, seven hundred eleven".