27127626117 has 4 divisors (see below), whose sum is σ = 36170168160. Its totient is φ = 18085084076.

The previous prime is 27127626109. The next prime is 27127626131. The reversal of 27127626117 is 71162672172.

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 27127626117 - 2³ = 27127626109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27127626137) 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, 4521271017 + ... + 4521271022.

It is an arithmetic number, because the mean of its divisors is an integer number (9042542040).

Almost surely, 2^27127626117 is an apocalyptic number.

It is an amenable number.

27127626117 is a deficient number, since it is larger than the sum of its proper divisors (9042542043).

27127626117 is an equidigital number, since it uses as much as digits as its factorization.

27127626117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042542042.

The product of its digits is 98784, while the sum is 42.

The spelling of 27127626117 in words is "twenty-seven billion, one hundred twenty-seven million, six hundred twenty-six thousand, one hundred seventeen".