12779553306 has 32 divisors (see below), whose sum is σ = 27529669440. Its totient is φ = 3931530624.

The previous prime is 12779553289. The next prime is 12779553383. The reversal of 12779553306 is 60335597721.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741766 + ... + 758798.

It is an arithmetic number, because the mean of its divisors is an integer number (860302170).

Almost surely, 2^12779553306 is an apocalyptic number.

12779553306 is an abundant number, since it is smaller than the sum of its proper divisors (14750116134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12779553306 is a wasteful number, since it uses less digits than its factorization.

12779553306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26670.

The product of its (nonzero) digits is 1190700, while the sum is 48.

The spelling of 12779553306 in words is "twelve billion, seven hundred seventy-nine million, five hundred fifty-three thousand, three hundred six".