12340167779 has 8 divisors (see below), whose sum is σ = 12467376768. Its totient is φ = 12213057600.

The previous prime is 12340167773. The next prime is 12340167787. The reversal of 12340167779 is 97776104321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12340167779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340167773) 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, 240974 + ... + 287660.

It is an arithmetic number, because the mean of its divisors is an integer number (1558422096).

Almost surely, 2^12340167779 is an apocalyptic number.

12340167779 is a deficient number, since it is larger than the sum of its proper divisors (127208989).

12340167779 is a wasteful number, since it uses less digits than its factorization.

12340167779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49405.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 12340167779 in words is "twelve billion, three hundred forty million, one hundred sixty-seven thousand, seven hundred seventy-nine".