695787 has 8 divisors (see below), whose sum is σ = 943680. Its totient is φ = 455880.

The previous prime is 695777. The next prime is 695791. The reversal of 695787 is 787596.

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

It is not a de Polignac number, because 695787 - 2⁴ = 695771 is a prime.

695787 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 695787.

It is not an unprimeable number, because it can be changed into a prime (695777) 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 in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (117960).

2⁶⁹⁵⁷⁸⁷ is an apocalyptic number.

695787 is a deficient number, since it is larger than the sum of its proper divisors (247893).

695787 is a wasteful number, since it uses less digits than its factorization.

695787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993.

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

The square root of 695787 is about 834.1384777122. The cubic root of 695787 is about 88.6119111557.

Subtracting 695787 from its reverse (787596), we obtain a square (91809 = 303²).

The spelling of 695787 in words is "six hundred ninety-five thousand, seven hundred eighty-seven".