27838860701 has 2 divisors, whose sum is σ = 27838860702. Its totient is φ = 27838860700.

The previous prime is 27838860691. The next prime is 27838860713. The reversal of 27838860701 is 10706883872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27785556100 + 53304601 = 166690^2 + 7301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27838860701 is a prime.

It is a super-2 number, since 2×27838860701² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27838860701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27838860001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919430350 + 13919430351.

It is an arithmetic number, because the mean of its divisors is an integer number (13919430351).

Almost surely, 2^27838860701 is an apocalyptic number.

It is an amenable number.

27838860701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27838860701 is an equidigital number, since it uses as much as digits as its factorization.

27838860701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 27838860701 in words is "twenty-seven billion, eight hundred thirty-eight million, eight hundred sixty thousand, seven hundred one".