197575864 has 16 divisors (see below), whose sum is σ = 370694520. Its totient is φ = 98724000.

The previous prime is 197575801. The next prime is 197575871. The reversal of 197575864 is 468575791.

197575864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6739 + ... + 20989.

Almost surely, 2^197575864 is an apocalyptic number.

It is an amenable number.

197575864 is a deficient number, since it is larger than the sum of its proper divisors (173118656).

197575864 is a wasteful number, since it uses less digits than its factorization.

197575864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990 (or 15986 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 52.

The square root of 197575864 is about 14056.1681833991. The cubic root of 197575864 is about 582.4311979499.

The spelling of 197575864 in words is "one hundred ninety-seven million, five hundred seventy-five thousand, eight hundred sixty-four".