27771448312 has 16 divisors (see below), whose sum is σ = 52077159360. Its totient is φ = 13884205824.

The previous prime is 27771448307. The next prime is 27771448339. The reversal of 27771448312 is 21384417772.

It is a happy number.

It is a congruent number.

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, 110088 + ... + 260119.

It is an arithmetic number, because the mean of its divisors is an integer number (3254822460).

Almost surely, 2^27771448312 is an apocalyptic number.

It is an amenable number.

27771448312 is a deficient number, since it is larger than the sum of its proper divisors (24305711048).

27771448312 is a wasteful number, since it uses less digits than its factorization.

27771448312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379590 (or 379586 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The spelling of 27771448312 in words is "twenty-seven billion, seven hundred seventy-one million, four hundred forty-eight thousand, three hundred twelve".