676859 has 2 divisors, whose sum is σ = 676860. Its totient is φ = 676858.

The previous prime is 676829. The next prime is 676861. The reversal of 676859 is 958676.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676859 - 2¹⁶ = 611323 is a prime.

It is a super-3 number, since 3×676859³ = 930284700625523337, which contains 333 as substring.

Together with 676861, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (676829) 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, 338429 + 338430.

It is an arithmetic number, because the mean of its divisors is an integer number (338430).

2⁶⁷⁶⁸⁵⁹ is an apocalyptic number.

676859 is a deficient number, since it is larger than the sum of its proper divisors (1).

676859 is an equidigital number, since it uses as much as digits as its factorization.

676859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 676859 is about 822.7144097437. The cubic root of 676859 is about 87.8009879456.

The spelling of 676859 in words is "six hundred seventy-six thousand, eight hundred fifty-nine".