28366755839 has 2 divisors, whose sum is σ = 28366755840. Its totient is φ = 28366755838.

The previous prime is 28366755799. The next prime is 28366755841. The reversal of 28366755839 is 93855766382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28366755839 is a prime.

Together with 28366755841, 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 (28366751839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14183377919 + 14183377920.

It is an arithmetic number, because the mean of its divisors is an integer number (14183377920).

Almost surely, 2^28366755839 is an apocalyptic number.

28366755839 is a deficient number, since it is larger than the sum of its proper divisors (1).

28366755839 is an equidigital number, since it uses as much as digits as its factorization.

28366755839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 62.

The spelling of 28366755839 in words is "twenty-eight billion, three hundred sixty-six million, seven hundred fifty-five thousand, eight hundred thirty-nine".