1782782327863 has 2 divisors, whose sum is σ = 1782782327864. Its totient is φ = 1782782327862.

The previous prime is 1782782327839. The next prime is 1782782327867. The reversal of 1782782327863 is 3687232872871.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1782782327863 - 2²⁵ = 1782748773431 is a prime.

It is a super-2 number, since 2×1782782327863² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1782782327795 and 1782782327804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1782782327867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891391163931 + 891391163932.

It is an arithmetic number, because the mean of its divisors is an integer number (891391163932).

Almost surely, 2^{1782782327863} is an apocalyptic number.

1782782327863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1782782327863 is an equidigital number, since it uses as much as digits as its factorization.

1782782327863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75866112, while the sum is 64.

The spelling of 1782782327863 in words is "one trillion, seven hundred eighty-two billion, seven hundred eighty-two million, three hundred twenty-seven thousand, eight hundred sixty-three".