28317733727 has 2 divisors, whose sum is σ = 28317733728. Its totient is φ = 28317733726.

The previous prime is 28317733709. The next prime is 28317733757. The reversal of 28317733727 is 72733771382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28317733727 - 2⁸ = 28317733471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28317733757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158866863 + 14158866864.

It is an arithmetic number, because the mean of its divisors is an integer number (14158866864).

Almost surely, 2^28317733727 is an apocalyptic number.

28317733727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317733727 is an equidigital number, since it uses as much as digits as its factorization.

28317733727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 50.

The spelling of 28317733727 in words is "twenty-eight billion, three hundred seventeen million, seven hundred thirty-three thousand, seven hundred twenty-seven".