768811 has 2 divisors, whose sum is σ = 768812. Its totient is φ = 768810.

The previous prime is 768799. The next prime is 768841. The reversal of 768811 is 118867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768811 - 2¹¹ = 766763 is a prime.

It is not a weakly prime, because it can be changed into another prime (768841) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384405 + 384406.

It is an arithmetic number, because the mean of its divisors is an integer number (384406).

2⁷⁶⁸⁸¹¹ is an apocalyptic number.

768811 is a deficient number, since it is larger than the sum of its proper divisors (1).

768811 is an equidigital number, since it uses as much as digits as its factorization.

768811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 31.

The square root of 768811 is about 876.8186813703. The cubic root of 768811 is about 91.6093628995.

The spelling of 768811 in words is "seven hundred sixty-eight thousand, eight hundred eleven".