12340005617777 has 4 divisors (see below), whose sum is σ = 12989479597680. Its totient is φ = 11690531637876.

The previous prime is 12340005617761. The next prime is 12340005617789. The reversal of 12340005617777 is 77771650004321.

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.

It is a cyclic number.

It is not a de Polignac number, because 12340005617777 - 2⁴ = 12340005617761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340005617707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324736989923 + ... + 324736989960.

It is an arithmetic number, because the mean of its divisors is an integer number (3247369899420).

Almost surely, 2^{12340005617777} is an apocalyptic number.

It is an amenable number.

12340005617777 is a deficient number, since it is larger than the sum of its proper divisors (649473979903).

12340005617777 is an equidigital number, since it uses as much as digits as its factorization.

12340005617777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649473979902.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 12340005617777 in words is "twelve trillion, three hundred forty billion, five million, six hundred seventeen thousand, seven hundred seventy-seven".