27838862713 has 2 divisors, whose sum is σ = 27838862714. Its totient is φ = 27838862712.

The previous prime is 27838862687. The next prime is 27838862743. The reversal of 27838862713 is 31726883872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16777502784 + 11061359929 = 129528^2 + 105173^2 .

It is a cyclic number.

It is not a de Polignac number, because 27838862713 - 2⁹ = 27838862201 is a prime.

It is not a weakly prime, because it can be changed into another prime (27838862743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919431356 + 13919431357.

It is an arithmetic number, because the mean of its divisors is an integer number (13919431357).

Almost surely, 2^27838862713 is an apocalyptic number.

It is an amenable number.

27838862713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27838862713 is an equidigital number, since it uses as much as digits as its factorization.

27838862713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The spelling of 27838862713 in words is "twenty-seven billion, eight hundred thirty-eight million, eight hundred sixty-two thousand, seven hundred thirteen".