27727312811 has 8 divisors (see below), whose sum is σ = 30256027200. Its totient is φ = 25199940040.

The previous prime is 27727312801. The next prime is 27727312813. The reversal of 27727312811 is 11821372772.

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

It is a de Polignac number, because none of the positive numbers 2^k-27727312811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27727312813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291941 + ... + 375078.

It is an arithmetic number, because the mean of its divisors is an integer number (3782003400).

Almost surely, 2^27727312811 is an apocalyptic number.

27727312811 is a deficient number, since it is larger than the sum of its proper divisors (2528714389).

27727312811 is a wasteful number, since it uses less digits than its factorization.

27727312811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670809.

The product of its digits is 65856, while the sum is 41.

The spelling of 27727312811 in words is "twenty-seven billion, seven hundred twenty-seven million, three hundred twelve thousand, eight hundred eleven".