28002225668843 has 2 divisors, whose sum is σ = 28002225668844. Its totient is φ = 28002225668842.

The previous prime is 28002225668713. The next prime is 28002225668861. The reversal of 28002225668843 is 34886652220082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28002225668843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28002245668843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14001112834421 + 14001112834422.

It is an arithmetic number, because the mean of its divisors is an integer number (14001112834422).

Almost surely, 2^{28002225668843} is an apocalyptic number.

28002225668843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28002225668843 is an equidigital number, since it uses as much as digits as its factorization.

28002225668843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17694720, while the sum is 56.

The spelling of 28002225668843 in words is "twenty-eight trillion, two billion, two hundred twenty-five million, six hundred sixty-eight thousand, eight hundred forty-three".