197765968 has 20 divisors (see below), whose sum is σ = 383416308. Its totient is φ = 98819840.

The previous prime is 197765963. The next prime is 197765969. The reversal of 197765968 is 869567791.

197765968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50580544 + 147185424 = 7112^2 + 12132^2 .

It is a super-2 number, since 2×197765968² = 78222756197954048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197765963) 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, 31578 + ... + 37318.

Almost surely, 2^197765968 is an apocalyptic number.

It is an amenable number.

197765968 is a deficient number, since it is larger than the sum of its proper divisors (185650340).

197765968 is a wasteful number, since it uses less digits than its factorization.

197765968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902 (or 7896 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The square root of 197765968 is about 14062.9288556829. The cubic root of 197765968 is about 582.6179397334.

The spelling of 197765968 in words is "one hundred ninety-seven million, seven hundred sixty-five thousand, nine hundred sixty-eight".