782117263 has 2 divisors, whose sum is σ = 782117264. Its totient is φ = 782117262.

The previous prime is 782117233. The next prime is 782117293. The reversal of 782117263 is 362711287.

It is a balanced prime because it is at equal distance from previous prime (782117233) and next prime (782117293).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-782117263 is a prime.

It is a super-2 number, since 2×782117263² = 1223414826165222338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (782117233) 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, 391058631 + 391058632.

It is an arithmetic number, because the mean of its divisors is an integer number (391058632).

Almost surely, 2^782117263 is an apocalyptic number.

782117263 is a deficient number, since it is larger than the sum of its proper divisors (1).

782117263 is an equidigital number, since it uses as much as digits as its factorization.

782117263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 782117263 is about 27966.3594877846. The cubic root of 782117263 is about 921.3485512122.

The spelling of 782117263 in words is "seven hundred eighty-two million, one hundred seventeen thousand, two hundred sixty-three".