27740520023329 has 3 divisors (see below), whose sum is σ = 27740525290257. Its totient is φ = 27740514756402.

The previous prime is 27740520023323. The next prime is 27740520023357. The reversal of 27740520023329 is 92332002504772.

The square root of 27740520023329 is 5266927.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 27740520023329 - 2³⁵ = 27706160284961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27740520023323) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2633464 + ... + 7900390.

It is an arithmetic number, because the mean of its divisors is an integer number (9246841763419).

Almost surely, 2^{27740520023329} is an apocalyptic number.

27740520023329 is the 5266927-th square number.

27740520023329 is the 2633464-th centered octagonal number.

It is an amenable number.

27740520023329 is a deficient number, since it is larger than the sum of its proper divisors (5266928).

27740520023329 is an frugal number, since it uses more digits than its factorization.

27740520023329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533854 (or 5266927 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 27740520023329 in words is "twenty-seven trillion, seven hundred forty billion, five hundred twenty million, twenty-three thousand, three hundred twenty-nine".