27984086983 has 2 divisors, whose sum is σ = 27984086984. Its totient is φ = 27984086982.

The previous prime is 27984086891. The next prime is 27984086989. The reversal of 27984086983 is 38968048972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27984086983 - 2²¹ = 27981989831 is a prime.

It is a super-2 number, since 2×27984086983² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27984086989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13992043491 + 13992043492.

It is an arithmetic number, because the mean of its divisors is an integer number (13992043492).

Almost surely, 2^27984086983 is an apocalyptic number.

27984086983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27984086983 is an equidigital number, since it uses as much as digits as its factorization.

27984086983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 27984086983 in words is "twenty-seven billion, nine hundred eighty-four million, eighty-six thousand, nine hundred eighty-three".