695779 has 4 divisors (see below), whose sum is σ = 795184. Its totient is φ = 596376.

The previous prime is 695777. The next prime is 695791. The reversal of 695779 is 977596.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 695779 - 2¹ = 695777 is a prime.

It is a Duffinian number.

695779 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49692 + ... + 49705.

It is an arithmetic number, because the mean of its divisors is an integer number (198796).

2⁶⁹⁵⁷⁷⁹ is an apocalyptic number.

695779 is a deficient number, since it is larger than the sum of its proper divisors (99405).

695779 is an equidigital number, since it uses as much as digits as its factorization.

695779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99404.

The product of its digits is 119070, while the sum is 43.

The square root of 695779 is about 834.1336823316. The cubic root of 695779 is about 88.6115715412.

The spelling of 695779 in words is "six hundred ninety-five thousand, seven hundred seventy-nine".