768869 has 2 divisors, whose sum is σ = 768870. Its totient is φ = 768868.

The previous prime is 768857. The next prime is 768881. The reversal of 768869 is 968867.

It is a balanced prime because it is at equal distance from previous prime (768857) and next prime (768881).

It can be written as a sum of positive squares in only one way, i.e., 438244 + 330625 = 662^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 768869 - 2⁴ = 768853 is a prime.

It is a super-2 number, since 2×768869² = 1182319078322, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768869.

It is not a weakly prime, because it can be changed into another prime (768169) 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, 384434 + 384435.

It is an arithmetic number, because the mean of its divisors is an integer number (384435).

2⁷⁶⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

768869 is a deficient number, since it is larger than the sum of its proper divisors (1).

768869 is an equidigital number, since it uses as much as digits as its factorization.

768869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 768869 is about 876.8517548594. The cubic root of 768869 is about 91.6116665473.

The spelling of 768869 in words is "seven hundred sixty-eight thousand, eight hundred sixty-nine".