12800737447679 has 8 divisors (see below), whose sum is σ = 13377560296320. Its totient is φ = 12225603686296.

The previous prime is 12800737447661. The next prime is 12800737447711. The reversal of 12800737447679 is 97674473700821.

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 12800737447679 - 2¹² = 12800737443583 is a prime.

It is a super-2 number, since 2×12800737447679² (a number of 27 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 (12800737447879) 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, 422256317 + ... + 422286630.

It is an arithmetic number, because the mean of its divisors is an integer number (1672195037040).

Almost surely, 2^{12800737447679} is an apocalyptic number.

12800737447679 is a deficient number, since it is larger than the sum of its proper divisors (576822848641).

12800737447679 is an equidigital number, since it uses as much as digits as its factorization.

12800737447679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844543629.

The product of its (nonzero) digits is 99574272, while the sum is 65.

The spelling of 12800737447679 in words is "twelve trillion, eight hundred billion, seven hundred thirty-seven million, four hundred forty-seven thousand, six hundred seventy-nine".