27984542601599 has 2 divisors, whose sum is σ = 27984542601600. Its totient is φ = 27984542601598.

The previous prime is 27984542601539. The next prime is 27984542601601. The reversal of 27984542601599 is 99510624548972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27984542601599 - 2¹⁶ = 27984542536063 is a prime.

Together with 27984542601601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27984542601539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13992271300799 + 13992271300800.

It is an arithmetic number, because the mean of its divisors is an integer number (13992271300800).

Almost surely, 2^{27984542601599} is an apocalyptic number.

27984542601599 is a deficient number, since it is larger than the sum of its proper divisors (1).

27984542601599 is an equidigital number, since it uses as much as digits as its factorization.

27984542601599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 27984542601599 in words is "twenty-seven trillion, nine hundred eighty-four billion, five hundred forty-two million, six hundred one thousand, five hundred ninety-nine".