27641310677 has 4 divisors (see below), whose sum is σ = 27685966080. Its totient is φ = 27596655276.

The previous prime is 27641310649. The next prime is 27641310689. The reversal of 27641310677 is 77601314672.

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-27641310677 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 (27641310377) 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, 22326773 + ... + 22328010.

It is an arithmetic number, because the mean of its divisors is an integer number (6921491520).

Almost surely, 2^27641310677 is an apocalyptic number.

It is an amenable number.

27641310677 is a deficient number, since it is larger than the sum of its proper divisors (44655403).

27641310677 is an equidigital number, since it uses as much as digits as its factorization.

27641310677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44655402.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 27641310677 in words is "twenty-seven billion, six hundred forty-one million, three hundred ten thousand, six hundred seventy-seven".