12395678889 has 8 divisors (see below), whose sum is σ = 18030078432. Its totient is φ = 7512532640.

The previous prime is 12395678873. The next prime is 12395678921. The reversal of 12395678889 is 98887659321.

It is a happy number.

12395678889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12395678889 - 2⁴ = 12395678873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12395678819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187813284 + ... + 187813349.

It is an arithmetic number, because the mean of its divisors is an integer number (2253759804).

Almost surely, 2^12395678889 is an apocalyptic number.

It is an amenable number.

12395678889 is a deficient number, since it is larger than the sum of its proper divisors (5634399543).

12395678889 is a wasteful number, since it uses less digits than its factorization.

12395678889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375626647.

The product of its digits is 52254720, while the sum is 66.

The spelling of 12395678889 in words is "twelve billion, three hundred ninety-five million, six hundred seventy-eight thousand, eight hundred eighty-nine".