12782087933 has 2 divisors, whose sum is σ = 12782087934. Its totient is φ = 12782087932.

The previous prime is 12782087921. The next prime is 12782087947. The reversal of 12782087933 is 33978028721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12516463129 + 265624804 = 111877^2 + 16298^2 .

It is a cyclic number.

It is not a de Polignac number, because 12782087933 - 2⁴ = 12782087917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12782083933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6391043966 + 6391043967.

It is an arithmetic number, because the mean of its divisors is an integer number (6391043967).

Almost surely, 2^12782087933 is an apocalyptic number.

It is an amenable number.

12782087933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12782087933 is an equidigital number, since it uses as much as digits as its factorization.

12782087933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 12782087933 in words is "twelve billion, seven hundred eighty-two million, eighty-seven thousand, nine hundred thirty-three".