27112997377 has 4 divisors (see below), whose sum is σ = 27439660080. Its totient is φ = 26786334676.

The previous prime is 27112997369. The next prime is 27112997441. The reversal of 27112997377 is 77379921172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27112997377 - 2³ = 27112997369 is a prime.

It is a super-2 number, since 2×27112997377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27112997357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163331227 + ... + 163331392.

It is an arithmetic number, because the mean of its divisors is an integer number (6859915020).

Almost surely, 2^27112997377 is an apocalyptic number.

It is an amenable number.

27112997377 is a deficient number, since it is larger than the sum of its proper divisors (326662703).

27112997377 is an equidigital number, since it uses as much as digits as its factorization.

27112997377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326662702.

The product of its digits is 2333772, while the sum is 55.

The spelling of 27112997377 in words is "twenty-seven billion, one hundred twelve million, nine hundred ninety-seven thousand, three hundred seventy-seven".