28741885566887 has 2 divisors, whose sum is σ = 28741885566888. Its totient is φ = 28741885566886.

The previous prime is 28741885566859. The next prime is 28741885566907. The reversal of 28741885566887 is 78866558814782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28741885566887 - 2³⁸ = 28467007659943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28741885560887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370942783443 + 14370942783444.

It is an arithmetic number, because the mean of its divisors is an integer number (14370942783444).

Almost surely, 2^{28741885566887} is an apocalyptic number.

28741885566887 is a deficient number, since it is larger than the sum of its proper divisors (1).

28741885566887 is an equidigital number, since it uses as much as digits as its factorization.

28741885566887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11560550400, while the sum is 83.

The spelling of 28741885566887 in words is "twenty-eight trillion, seven hundred forty-one billion, eight hundred eighty-five million, five hundred sixty-six thousand, eight hundred eighty-seven".