695977 has 4 divisors (see below), whose sum is σ = 697680. Its totient is φ = 694276.

The previous prime is 695939. The next prime is 695999. The reversal of 695977 is 779596.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 695977 - 2¹⁵ = 663209 is a prime.

It is a Duffinian number.

695977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (695917) 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, 174 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (174420).

2⁶⁹⁵⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

695977 is a deficient number, since it is larger than the sum of its proper divisors (1703).

695977 is a wasteful number, since it uses less digits than its factorization.

695977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

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

The square root of 695977 is about 834.2523599008. The cubic root of 695977 is about 88.6199762345.

The spelling of 695977 in words is "six hundred ninety-five thousand, nine hundred seventy-seven".