782068393 has 2 divisors, whose sum is σ = 782068394. Its totient is φ = 782068392.

The previous prime is 782068387. The next prime is 782068439. The reversal of 782068393 is 393860287.

It is an a-pointer prime, because the next prime (782068439) can be obtained adding 782068393 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451265049 + 330803344 = 21243^2 + 18188^2 .

It is a cyclic number.

It is not a de Polignac number, because 782068393 - 2⁵ = 782068361 is a prime.

It is a super-2 number, since 2×782068393² = 1223261942659204898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (782068303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391034196 + 391034197.

It is an arithmetic number, because the mean of its divisors is an integer number (391034197).

Almost surely, 2^782068393 is an apocalyptic number.

It is an amenable number.

782068393 is a deficient number, since it is larger than the sum of its proper divisors (1).

782068393 is an equidigital number, since it uses as much as digits as its factorization.

782068393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 782068393 is about 27965.4857458261. The cubic root of 782068393 is about 921.3293608923.

The spelling of 782068393 in words is "seven hundred eighty-two million, sixty-eight thousand, three hundred ninety-three".