12577445338328 has 64 divisors (see below), whose sum is σ = 27102430172160. Its totient is φ = 5420485840896.

The previous prime is 12577445338321. The next prime is 12577445338333. The reversal of 12577445338328 is 82383354477521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577445338321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27783101 + ... + 28232172.

It is an arithmetic number, because the mean of its divisors is an integer number (423475471440).

Almost surely, 2^{12577445338328} is an apocalyptic number.

It is an amenable number.

12577445338328 is an abundant number, since it is smaller than the sum of its proper divisors (14524984833832).

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

12577445338328 is a wasteful number, since it uses less digits than its factorization.

12577445338328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56015436 (or 56015432 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 62.

The spelling of 12577445338328 in words is "twelve trillion, five hundred seventy-seven billion, four hundred forty-five million, three hundred thirty-eight thousand, three hundred twenty-eight".