28685083267 has 2 divisors, whose sum is σ = 28685083268. Its totient is φ = 28685083266.

The previous prime is 28685083249. The next prime is 28685083319. The reversal of 28685083267 is 76238058682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28685083267 is a prime.

It is not a weakly prime, because it can be changed into another prime (28685081267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14342541633 + 14342541634.

It is an arithmetic number, because the mean of its divisors is an integer number (14342541634).

Almost surely, 2^28685083267 is an apocalyptic number.

28685083267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28685083267 is an equidigital number, since it uses as much as digits as its factorization.

28685083267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 28685083267 in words is "twenty-eight billion, six hundred eighty-five million, eighty-three thousand, two hundred sixty-seven".