27726320313 has 6 divisors (see below), whose sum is σ = 40049129354. Its totient is φ = 18484213536.

The previous prime is 27726320287. The next prime is 27726320383. The reversal of 27726320313 is 31302362772.

27726320313 is a `hidden beast` number, since 2 + 7 + 7 + 2 + 632 + 0 + 3 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27176511609 + 549808704 = 164853^2 + 23448^2 .

It is not a de Polignac number, because 27726320313 - 2⁶ = 27726320249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27726320383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1540351120 + ... + 1540351137.

Almost surely, 2^27726320313 is an apocalyptic number.

It is an amenable number.

27726320313 is a deficient number, since it is larger than the sum of its proper divisors (12322809041).

27726320313 is a wasteful number, since it uses less digits than its factorization.

27726320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080702263 (or 3080702260 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 27726320313 in words is "twenty-seven billion, seven hundred twenty-six million, three hundred twenty thousand, three hundred thirteen".