28418686067 has 2 divisors, whose sum is σ = 28418686068. Its totient is φ = 28418686066.

The previous prime is 28418686013. The next prime is 28418686103. The reversal of 28418686067 is 76068681482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28418686067 - 2²⁰ = 28417637491 is a prime.

It is not a weakly prime, because it can be changed into another prime (28418685067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14209343033 + 14209343034.

It is an arithmetic number, because the mean of its divisors is an integer number (14209343034).

Almost surely, 2^28418686067 is an apocalyptic number.

28418686067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28418686067 is an equidigital number, since it uses as much as digits as its factorization.

28418686067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 28418686067 in words is "twenty-eight billion, four hundred eighteen million, six hundred eighty-six thousand, sixty-seven".