12889175677 has 4 divisors (see below), whose sum is σ = 14730486496. Its totient is φ = 11047864860.

The previous prime is 12889175591. The next prime is 12889175683. The reversal of 12889175677 is 77657198821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77657198821 = 23159 ⋅3353219.

It is a cyclic number.

It is not a de Polignac number, because 12889175677 - 2²⁷ = 12754957949 is a prime.

It is a super-2 number, since 2×12889175677² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889175477) 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, 920655399 + ... + 920655412.

It is an arithmetic number, because the mean of its divisors is an integer number (3682621624).

Almost surely, 2^12889175677 is an apocalyptic number.

It is an amenable number.

12889175677 is a deficient number, since it is larger than the sum of its proper divisors (1841310819).

12889175677 is an equidigital number, since it uses as much as digits as its factorization.

12889175677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841310818.

The product of its digits is 11854080, while the sum is 61.

The spelling of 12889175677 in words is "twelve billion, eight hundred eighty-nine million, one hundred seventy-five thousand, six hundred seventy-seven".