27267738309904 has 45 divisors (see below), whose sum is σ = 52926233066629. Its totient is φ = 13609399556480.

The previous prime is 27267738309893. The next prime is 27267738309913. The reversal of 27267738309904 is 40990383776272.

The square root of 27267738309904 is 5221852.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22614019376400 + 4653718933504 = 4755420^2 + 2157248^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27267738309904.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19028427972 + ... + 19028429404.

Almost surely, 2^{27267738309904} is an apocalyptic number.

27267738309904 is the 5221852-nd square number.

It is an amenable number.

27267738309904 is a deficient number, since it is larger than the sum of its proper divisors (25658494756725).

27267738309904 is an frugal number, since it uses more digits than its factorization.

27267738309904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 67.

The spelling of 27267738309904 in words is "twenty-seven trillion, two hundred sixty-seven billion, seven hundred thirty-eight million, three hundred nine thousand, nine hundred four".