27727358385 has 16 divisors (see below), whose sum is σ = 44375728320. Its totient is φ = 14783939520.

The previous prime is 27727358363. The next prime is 27727358413. The reversal of 27727358385 is 58385372772.

It is not a de Polignac number, because 27727358385 - 2⁹ = 27727357873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191106 + ... + 303275.

It is an arithmetic number, because the mean of its divisors is an integer number (2773483020).

Almost surely, 2^27727358385 is an apocalyptic number.

It is an amenable number.

27727358385 is a deficient number, since it is larger than the sum of its proper divisors (16648369935).

27727358385 is a wasteful number, since it uses less digits than its factorization.

27727358385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498128.

The product of its digits is 19756800, while the sum is 57.

The spelling of 27727358385 in words is "twenty-seven billion, seven hundred twenty-seven million, three hundred fifty-eight thousand, three hundred eighty-five".