695255668 has 6 divisors (see below), whose sum is σ = 1216697426. Its totient is φ = 347627832.

The previous prime is 695255663. The next prime is 695255669. The reversal of 695255668 is 866552596.

It can be written as a sum of positive squares in only one way, i.e., 598193764 + 97061904 = 24458^2 + 9852^2 .

It is a super-2 number, since 2×695255668² = 966760887772252448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695255663) 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 as a sum of consecutive naturals, namely, 86906955 + ... + 86906962.

Almost surely, 2^695255668 is an apocalyptic number.

It is an amenable number.

695255668 is a deficient number, since it is larger than the sum of its proper divisors (521441758).

695255668 is a wasteful number, since it uses less digits than its factorization.

695255668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173813921 (or 173813919 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The square root of 695255668 is about 26367.7012270695. The cubic root of 695255668 is about 885.8934949353.

The spelling of 695255668 in words is "six hundred ninety-five million, two hundred fifty-five thousand, six hundred sixty-eight".