695778 has 8 divisors (see below), whose sum is σ = 1391568. Its totient is φ = 231924.

The previous prime is 695777. The next prime is 695791. The reversal of 695778 is 877596.

It is a sphenic number, since it is the product of 3 distinct primes.

695778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (695771) 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 in 3 ways as a sum of consecutive naturals, for example, 57976 + ... + 57987.

It is an arithmetic number, because the mean of its divisors is an integer number (173946).

2⁶⁹⁵⁷⁷⁸ is an apocalyptic number.

695778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

695778 is a wasteful number, since it uses less digits than its factorization.

695778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115968.

The product of its digits is 105840, while the sum is 42.

The square root of 695778 is about 834.1330829070. The cubic root of 695778 is about 88.6115290893.

The spelling of 695778 in words is "six hundred ninety-five thousand, seven hundred seventy-eight".