28797582733 has 2 divisors, whose sum is σ = 28797582734. Its totient is φ = 28797582732.

The previous prime is 28797582703. The next prime is 28797582811. The reversal of 28797582733 is 33728579782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21095238564 + 7702344169 = 145242^2 + 87763^2 .

It is a cyclic number.

It is not a de Polignac number, because 28797582733 - 2²⁵ = 28764028301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28797582703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398791366 + 14398791367.

It is an arithmetic number, because the mean of its divisors is an integer number (14398791367).

Almost surely, 2^28797582733 is an apocalyptic number.

It is an amenable number.

28797582733 is a deficient number, since it is larger than the sum of its proper divisors (1).

28797582733 is an equidigital number, since it uses as much as digits as its factorization.

28797582733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 61.

The spelling of 28797582733 in words is "twenty-eight billion, seven hundred ninety-seven million, five hundred eighty-two thousand, seven hundred thirty-three".