27455325636677 has 4 divisors (see below), whose sum is σ = 28093821581760. Its totient is φ = 26816829691596.

The previous prime is 27455325636653. The next prime is 27455325636679. The reversal of 27455325636677 is 77663652355472.

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 a de Polignac number, because none of the positive numbers 2^k-27455325636677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27455325636679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319247972477 + ... + 319247972562.

It is an arithmetic number, because the mean of its divisors is an integer number (7023455395440).

Almost surely, 2^{27455325636677} is an apocalyptic number.

It is an amenable number.

27455325636677 is a deficient number, since it is larger than the sum of its proper divisors (638495945083).

27455325636677 is an equidigital number, since it uses as much as digits as its factorization.

27455325636677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638495945082.

The product of its digits is 1333584000, while the sum is 68.

The spelling of 27455325636677 in words is "twenty-seven trillion, four hundred fifty-five billion, three hundred twenty-five million, six hundred thirty-six thousand, six hundred seventy-seven".