27773161412 has 12 divisors (see below), whose sum is σ = 48641101740. Its totient is φ = 13875703776.

The previous prime is 27773161397. The next prime is 27773161433. The reversal of 27773161412 is 21416137772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12413525056 + 15359636356 = 111416^2 + 123934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27773161412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713487 + ... + 2723702.

It is an arithmetic number, because the mean of its divisors is an integer number (4053425145).

Almost surely, 2^27773161412 is an apocalyptic number.

It is an amenable number.

27773161412 is a deficient number, since it is larger than the sum of its proper divisors (20867940328).

27773161412 is a wasteful number, since it uses less digits than its factorization.

27773161412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438470 (or 5438468 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The spelling of 27773161412 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred sixty-one thousand, four hundred twelve".