197627975 has 12 divisors (see below), whose sum is σ = 259474464. Its totient is φ = 148801920.

The previous prime is 197627929. The next prime is 197627977. The reversal of 197627975 is 579726791.

197627975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197627975 - 2²⁰ = 196579399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197627977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232079 + ... + 232928.

It is an arithmetic number, because the mean of its divisors is an integer number (21622872).

Almost surely, 2^197627975 is an apocalyptic number.

197627975 is a deficient number, since it is larger than the sum of its proper divisors (61846489).

197627975 is a wasteful number, since it uses less digits than its factorization.

197627975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465034 (or 465029 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 53.

The square root of 197627975 is about 14058.0217313817. The cubic root of 197627975 is about 582.4823992177.

The spelling of 197627975 in words is "one hundred ninety-seven million, six hundred twenty-seven thousand, nine hundred seventy-five".