27677327305 has 8 divisors (see below), whose sum is σ = 33215355144. Its totient is φ = 22140153600.

The previous prime is 27677327299. The next prime is 27677327329. The reversal of 27677327305 is 50372377672.

It can be written as a sum of positive squares in 4 ways, for example, as 1182603321 + 26494723984 = 34389^2 + 162772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27677327305 - 2³³ = 19087392713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139936 + ... + 273745.

It is an arithmetic number, because the mean of its divisors is an integer number (4151919393).

Almost surely, 2^27677327305 is an apocalyptic number.

It is an amenable number.

27677327305 is a deficient number, since it is larger than the sum of its proper divisors (5538027839).

27677327305 is a wasteful number, since it uses less digits than its factorization.

27677327305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427067.

The product of its (nonzero) digits is 2593080, while the sum is 49.

The spelling of 27677327305 in words is "twenty-seven billion, six hundred seventy-seven million, three hundred twenty-seven thousand, three hundred five".