28085273752807 has 2 divisors, whose sum is σ = 28085273752808. Its totient is φ = 28085273752806.

The previous prime is 28085273752787. The next prime is 28085273752873. The reversal of 28085273752807 is 70825737258082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28085273752807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28085273752007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14042636876403 + 14042636876404.

It is an arithmetic number, because the mean of its divisors is an integer number (14042636876404).

Almost surely, 2^{28085273752807} is an apocalyptic number.

28085273752807 is a deficient number, since it is larger than the sum of its proper divisors (1).

28085273752807 is an equidigital number, since it uses as much as digits as its factorization.

28085273752807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 28085273752807 in words is "twenty-eight trillion, eighty-five billion, two hundred seventy-three million, seven hundred fifty-two thousand, eight hundred seven".