197063817 has 8 divisors (see below), whose sum is σ = 266673696. Its totient is φ = 129414912.

The previous prime is 197063803. The next prime is 197063821. The reversal of 197063817 is 718360791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197063817 - 2¹² = 197059721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197063857) 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 7 ways as a sum of consecutive naturals, for example, 490008 + ... + 490409.

It is an arithmetic number, because the mean of its divisors is an integer number (33334212).

Almost surely, 2^197063817 is an apocalyptic number.

It is an amenable number.

197063817 is a deficient number, since it is larger than the sum of its proper divisors (69609879).

197063817 is an equidigital number, since it uses as much as digits as its factorization.

197063817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980487.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 197063817 is about 14037.9420500300. The cubic root of 197063817 is about 581.9276105334.

The spelling of 197063817 in words is "one hundred ninety-seven million, sixty-three thousand, eight hundred seventeen".