27726345512 has 8 divisors (see below), whose sum is σ = 51986897850. Its totient is φ = 13863172752.

The previous prime is 27726345497. The next prime is 27726345529. The reversal of 27726345512 is 21554362772.

It can be written as a sum of positive squares in only one way, i.e., 27372378916 + 353966596 = 165446^2 + 18814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732896587 + ... + 1732896602.

Almost surely, 2^27726345512 is an apocalyptic number.

It is an amenable number.

27726345512 is a deficient number, since it is larger than the sum of its proper divisors (24260552338).

27726345512 is a wasteful number, since it uses less digits than its factorization.

27726345512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465793195 (or 3465793191 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The spelling of 27726345512 in words is "twenty-seven billion, seven hundred twenty-six million, three hundred forty-five thousand, five hundred twelve".