27868628113 has 2 divisors, whose sum is σ = 27868628114. Its totient is φ = 27868628112.

The previous prime is 27868628077. The next prime is 27868628143. The reversal of 27868628113 is 31182686872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20150654209 + 7717973904 = 141953^2 + 87852^2 .

It is a cyclic number.

It is not a de Polignac number, because 27868628113 - 2⁹ = 27868627601 is a prime.

It is a super-3 number, since 3×27868628113³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (27868628143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13934314056 + 13934314057.

It is an arithmetic number, because the mean of its divisors is an integer number (13934314057).

Almost surely, 2^27868628113 is an apocalyptic number.

It is an amenable number.

27868628113 is a deficient number, since it is larger than the sum of its proper divisors (1).

27868628113 is an equidigital number, since it uses as much as digits as its factorization.

27868628113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The spelling of 27868628113 in words is "twenty-seven billion, eight hundred sixty-eight million, six hundred twenty-eight thousand, one hundred thirteen".