197052867 has 12 divisors (see below), whose sum is σ = 310507704. Its totient is φ = 119425920.

The previous prime is 197052859. The next prime is 197052893. The reversal of 197052867 is 768250791.

It is not a de Polignac number, because 197052867 - 2³ = 197052859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197052067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995118 + ... + 995315.

It is an arithmetic number, because the mean of its divisors is an integer number (25875642).

Almost surely, 2^197052867 is an apocalyptic number.

197052867 is a deficient number, since it is larger than the sum of its proper divisors (113454837).

197052867 is a wasteful number, since it uses less digits than its factorization.

197052867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990450 (or 1990447 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 197052867 is about 14037.5520301796. The cubic root of 197052867 is about 581.9168319178.

The spelling of 197052867 in words is "one hundred ninety-seven million, fifty-two thousand, eight hundred sixty-seven".