12344677789 has 8 divisors (see below), whose sum is σ = 13092667200. Its totient is φ = 11599114176.

The previous prime is 12344677781. The next prime is 12344677799. The reversal of 12344677789 is 98777644321.

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 12344677789 - 2³ = 12344677781 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344677781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595959 + ... + 616324.

It is an arithmetic number, because the mean of its divisors is an integer number (1636583400).

Almost surely, 2^12344677789 is an apocalyptic number.

It is an amenable number.

12344677789 is a deficient number, since it is larger than the sum of its proper divisors (747989411).

12344677789 is a wasteful number, since it uses less digits than its factorization.

12344677789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212899.

The product of its digits is 14224896, while the sum is 58.

The spelling of 12344677789 in words is "twelve billion, three hundred forty-four million, six hundred seventy-seven thousand, seven hundred eighty-nine".