397197032195 has 16 divisors (see below), whose sum is σ = 486882759168. Its totient is φ = 310929665760.

The previous prime is 397197032191. The next prime is 397197032227. The reversal of 397197032195 is 591230791793.

It is not a de Polignac number, because 397197032195 - 2² = 397197032191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397197032195.

It is not an unprimeable number, because it can be changed into a prime (397197032191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922232 + ... + 1282538.

It is an arithmetic number, because the mean of its divisors is an integer number (30430172448).

Almost surely, 2^397197032195 is an apocalyptic number.

397197032195 is a deficient number, since it is larger than the sum of its proper divisors (89685726973).

397197032195 is a wasteful number, since it uses less digits than its factorization.

397197032195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365050.

The product of its (nonzero) digits is 3214890, while the sum is 56.

The spelling of 397197032195 in words is "three hundred ninety-seven billion, one hundred ninety-seven million, thirty-two thousand, one hundred ninety-five".