196897975 has 6 divisors (see below), whose sum is σ = 244153520. Its totient is φ = 157518360.

The previous prime is 196897951. The next prime is 196898017. The reversal of 196897975 is 579798691.

It is not a de Polignac number, because 196897975 - 2¹¹ = 196895927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3937935 + ... + 3937984.

Almost surely, 2^196897975 is an apocalyptic number.

196897975 is a deficient number, since it is larger than the sum of its proper divisors (47255545).

196897975 is an equidigital number, since it uses as much as digits as its factorization.

196897975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875929 (or 7875924 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 61.

The square root of 196897975 is about 14032.0338867892. The cubic root of 196897975 is about 581.7643214265.

The spelling of 196897975 in words is "one hundred ninety-six million, eight hundred ninety-seven thousand, nine hundred seventy-five".