27379267871 has 2 divisors, whose sum is σ = 27379267872. Its totient is φ = 27379267870.

The previous prime is 27379267849. The next prime is 27379267891. The reversal of 27379267871 is 17876297372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27379267871 - 2²² = 27375073567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27379267871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27379267891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13689633935 + 13689633936.

It is an arithmetic number, because the mean of its divisors is an integer number (13689633936).

Almost surely, 2^27379267871 is an apocalyptic number.

27379267871 is a deficient number, since it is larger than the sum of its proper divisors (1).

27379267871 is an equidigital number, since it uses as much as digits as its factorization.

27379267871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12446784, while the sum is 59.

The spelling of 27379267871 in words is "twenty-seven billion, three hundred seventy-nine million, two hundred sixty-seven thousand, eight hundred seventy-one".