816763 has 2 divisors, whose sum is σ = 816764. Its totient is φ = 816762.

The previous prime is 816743. The next prime is 816769. The reversal of 816763 is 367618.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 816763 - 2⁹ = 816251 is a prime.

It is an alternating number because its digits alternate between even and odd.

816763 is a lucky number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (816769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408381 + 408382.

It is an arithmetic number, because the mean of its divisors is an integer number (408382).

2⁸¹⁶⁷⁶³ is an apocalyptic number.

816763 is a deficient number, since it is larger than the sum of its proper divisors (1).

816763 is an equidigital number, since it uses as much as digits as its factorization.

816763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 816763 is about 903.7494121713. The cubic root of 816763 is about 93.4756912031.

The spelling of 816763 in words is "eight hundred sixteen thousand, seven hundred sixty-three".