28208300245679 has 2 divisors, whose sum is σ = 28208300245680. Its totient is φ = 28208300245678.

The previous prime is 28208300245649. The next prime is 28208300245759. The reversal of 28208300245679 is 97654200380282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28208300245679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28208300245639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14104150122839 + 14104150122840.

It is an arithmetic number, because the mean of its divisors is an integer number (14104150122840).

Almost surely, 2^{28208300245679} is an apocalyptic number.

28208300245679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28208300245679 is an equidigital number, since it uses as much as digits as its factorization.

28208300245679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 28208300245679 in words is "twenty-eight trillion, two hundred eight billion, three hundred million, two hundred forty-five thousand, six hundred seventy-nine".