27698848439 has 2 divisors, whose sum is σ = 27698848440. Its totient is φ = 27698848438.

The previous prime is 27698848433. The next prime is 27698848487. The reversal of 27698848439 is 93484889672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27698848439 - 2⁴ = 27698848423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27698848433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13849424219 + 13849424220.

It is an arithmetic number, because the mean of its divisors is an integer number (13849424220).

Almost surely, 2^27698848439 is an apocalyptic number.

27698848439 is a deficient number, since it is larger than the sum of its proper divisors (1).

27698848439 is an equidigital number, since it uses as much as digits as its factorization.

27698848439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167215104, while the sum is 68.

The spelling of 27698848439 in words is "twenty-seven billion, six hundred ninety-eight million, eight hundred forty-eight thousand, four hundred thirty-nine".