27244657427 has 16 divisors (see below), whose sum is σ = 30295265280. Its totient is φ = 24330909600.

The previous prime is 27244657409. The next prime is 27244657439. The reversal of 27244657427 is 72475644272.

It is a cyclic number.

It is not a de Polignac number, because 27244657427 - 2⁸ = 27244657171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27244659427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956074 + ... + 1969952.

It is an arithmetic number, because the mean of its divisors is an integer number (1893454080).

Almost surely, 2^27244657427 is an apocalyptic number.

27244657427 is a deficient number, since it is larger than the sum of its proper divisors (3050607853).

27244657427 is a wasteful number, since it uses less digits than its factorization.

27244657427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794.

The product of its digits is 5268480, while the sum is 50.

The spelling of 27244657427 in words is "twenty-seven billion, two hundred forty-four million, six hundred fifty-seven thousand, four hundred twenty-seven".