27989873803 has 2 divisors, whose sum is σ = 27989873804. Its totient is φ = 27989873802.

The previous prime is 27989873773. The next prime is 27989873833. The reversal of 27989873803 is 30837898972.

It is a balanced prime because it is at equal distance from previous prime (27989873773) and next prime (27989873833).

It is a cyclic number.

It is not a de Polignac number, because 27989873803 - 2²⁵ = 27956319371 is a prime.

It is not a weakly prime, because it can be changed into another prime (27989873833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13994936901 + 13994936902.

It is an arithmetic number, because the mean of its divisors is an integer number (13994936902).

Almost surely, 2^27989873803 is an apocalyptic number.

27989873803 is a deficient number, since it is larger than the sum of its proper divisors (1).

27989873803 is an equidigital number, since it uses as much as digits as its factorization.

27989873803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 27989873803 in words is "twenty-seven billion, nine hundred eighty-nine million, eight hundred seventy-three thousand, eight hundred three".