27892712013 has 4 divisors (see below), whose sum is σ = 37190282688. Its totient is φ = 18595141340.

The previous prime is 27892711991. The next prime is 27892712021. The reversal of 27892712013 is 31021729872.

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 not a de Polignac number, because 27892712013 - 2⁵ = 27892711981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27892712033) 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, 4648785333 + ... + 4648785338.

It is an arithmetic number, because the mean of its divisors is an integer number (9297570672).

Almost surely, 2^27892712013 is an apocalyptic number.

It is an amenable number.

27892712013 is a deficient number, since it is larger than the sum of its proper divisors (9297570675).

27892712013 is an equidigital number, since it uses as much as digits as its factorization.

27892712013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297570674.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 27892712013 in words is "twenty-seven billion, eight hundred ninety-two million, seven hundred twelve thousand, thirteen".