27745254772 has 6 divisors (see below), whose sum is σ = 48554195858. Its totient is φ = 13872627384.

The previous prime is 27745254763. The next prime is 27745254949.

27745254772 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 20890077156 + 6855177616 = 144534^2 + 82796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468156843 + ... + 3468156850.

Almost surely, 2^27745254772 is an apocalyptic number.

It is an amenable number.

27745254772 is a deficient number, since it is larger than the sum of its proper divisors (20808941086).

27745254772 is a wasteful number, since it uses less digits than its factorization.

27745254772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936313697 (or 6936313695 counting only the distinct ones).

The product of its digits is 7683200, while the sum is 52.

The spelling of 27745254772 in words is "twenty-seven billion, seven hundred forty-five million, two hundred fifty-four thousand, seven hundred seventy-two".