12627694390177 has 4 divisors (see below), whose sum is σ = 12627701520196. Its totient is φ = 12627687260160.

The previous prime is 12627694390117. The next prime is 12627694390211. The reversal of 12627694390177 is 77109349672621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 525394475281 + 12102299914896 = 724841^2 + 3478836^2 .

It is a cyclic number.

It is not a de Polignac number, because 12627694390177 - 2²³ = 12627686001569 is a prime.

It is a super-2 number, since 2×12627694390177² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12627694390117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354033 + ... + 5204689.

It is an arithmetic number, because the mean of its divisors is an integer number (3156925380049).

Almost surely, 2^{12627694390177} is an apocalyptic number.

It is an amenable number.

12627694390177 is a deficient number, since it is larger than the sum of its proper divisors (7130019).

12627694390177 is an equidigital number, since it uses as much as digits as its factorization.

12627694390177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130018.

The product of its (nonzero) digits is 48009024, while the sum is 64.

The spelling of 12627694390177 in words is "twelve trillion, six hundred twenty-seven billion, six hundred ninety-four million, three hundred ninety thousand, one hundred seventy-seven".