12798572770889 has 4 divisors (see below), whose sum is σ = 13551429992724. Its totient is φ = 12045715549056.

The previous prime is 12798572770859. The next prime is 12798572770909. The reversal of 12798572770889 is 98807727589721.

12798572770889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6485640142864 + 6312932628025 = 2546692^2 + 2512555^2 .

It is a cyclic number.

It is not a de Polignac number, because 12798572770889 - 2²⁸ = 12798304335433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12798572770859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376428610892 + ... + 376428610925.

It is an arithmetic number, because the mean of its divisors is an integer number (3387857498181).

Almost surely, 2^{12798572770889} is an apocalyptic number.

It is an amenable number.

12798572770889 is a deficient number, since it is larger than the sum of its proper divisors (752857221835).

12798572770889 is an equidigital number, since it uses as much as digits as its factorization.

12798572770889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752857221834.

The product of its (nonzero) digits is 1991485440, while the sum is 80.

The spelling of 12798572770889 in words is "twelve trillion, seven hundred ninety-eight billion, five hundred seventy-two million, seven hundred seventy thousand, eight hundred eighty-nine".