27868629713 has 2 divisors, whose sum is σ = 27868629714. Its totient is φ = 27868629712.

The previous prime is 27868629689. The next prime is 27868629739. The reversal of 27868629713 is 31792686872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25597440064 + 2271189649 = 159992^2 + 47657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27868629713 is a prime.

It is a super-3 number, since 3×27868629713³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (27868629793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13934314856 + 13934314857.

It is an arithmetic number, because the mean of its divisors is an integer number (13934314857).

Almost surely, 2^27868629713 is an apocalyptic number.

It is an amenable number.

27868629713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27868629713 is an equidigital number, since it uses as much as digits as its factorization.

27868629713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 59.

The spelling of 27868629713 in words is "twenty-seven billion, eight hundred sixty-eight million, six hundred twenty-nine thousand, seven hundred thirteen".