695879 has 2 divisors, whose sum is σ = 695880. Its totient is φ = 695878.

The previous prime is 695873. The next prime is 695881. The reversal of 695879 is 978596.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695879 is a prime.

Together with 695881, it forms a pair of twin primes.

It is a Chen prime.

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 695879.

It is not a weakly prime, because it can be changed into another prime (695873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347939 + 347940.

It is an arithmetic number, because the mean of its divisors is an integer number (347940).

2⁶⁹⁵⁸⁷⁹ is an apocalyptic number.

695879 is a deficient number, since it is larger than the sum of its proper divisors (1).

695879 is an equidigital number, since it uses as much as digits as its factorization.

695879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 695879 is about 834.1936226081. The cubic root of 695879 is about 88.6158165351.

It can be divided in two parts, 69587 and 9, that added together give a palindrome (69596).

The spelling of 695879 in words is "six hundred ninety-five thousand, eight hundred seventy-nine".