12776219564 has 6 divisors (see below), whose sum is σ = 22358384244. Its totient is φ = 6388109780.

The previous prime is 12776219563. The next prime is 12776219579. The reversal of 12776219564 is 46591267721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12776219563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597027442 + ... + 1597027449.

It is an arithmetic number, because the mean of its divisors is an integer number (3726397374).

Almost surely, 2^12776219564 is an apocalyptic number.

It is an amenable number.

12776219564 is a deficient number, since it is larger than the sum of its proper divisors (9582164680).

12776219564 is a wasteful number, since it uses less digits than its factorization.

12776219564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194054895 (or 3194054893 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The spelling of 12776219564 in words is "twelve billion, seven hundred seventy-six million, two hundred nineteen thousand, five hundred sixty-four".