27327042745 has 4 divisors (see below), whose sum is σ = 32792451300. Its totient is φ = 21861634192.

The previous prime is 27327042737. The next prime is 27327042763. The reversal of 27327042745 is 54724072372.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10126195641 + 17200847104 = 100629^2 + 131152^2 .

It is a cyclic number.

It is not a de Polignac number, because 27327042745 - 2³ = 27327042737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732704270 + ... + 2732704279.

It is an arithmetic number, because the mean of its divisors is an integer number (8198112825).

Almost surely, 2^27327042745 is an apocalyptic number.

It is an amenable number.

27327042745 is a deficient number, since it is larger than the sum of its proper divisors (5465408555).

27327042745 is an equidigital number, since it uses as much as digits as its factorization.

27327042745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465408554.

The product of its (nonzero) digits is 658560, while the sum is 43.

The spelling of 27327042745 in words is "twenty-seven billion, three hundred twenty-seven million, forty-two thousand, seven hundred forty-five".