27848272709 has 2 divisors, whose sum is σ = 27848272710. Its totient is φ = 27848272708.

The previous prime is 27848272667. The next prime is 27848272763. The reversal of 27848272709 is 90727284872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15996684484 + 11851588225 = 126478^2 + 108865^2 .

It is a cyclic number.

It is not a de Polignac number, because 27848272709 - 2¹⁶ = 27848207173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27848272609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13924136354 + 13924136355.

It is an arithmetic number, because the mean of its divisors is an integer number (13924136355).

Almost surely, 2^27848272709 is an apocalyptic number.

It is an amenable number.

27848272709 is a deficient number, since it is larger than the sum of its proper divisors (1).

27848272709 is an equidigital number, since it uses as much as digits as its factorization.

27848272709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 27848272709 in words is "twenty-seven billion, eight hundred forty-eight million, two hundred seventy-two thousand, seven hundred nine".