197797263 has 8 divisors (see below), whose sum is σ = 275196288. Its totient is φ = 126131544.

The previous prime is 197797253. The next prime is 197797283. The reversal of 197797263 is 362797791.

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

It is not a de Polignac number, because 197797263 - 2⁴ = 197797247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197797213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433245 + ... + 1433382.

It is an arithmetic number, because the mean of its divisors is an integer number (34399536).

Almost surely, 2^197797263 is an apocalyptic number.

197797263 is a deficient number, since it is larger than the sum of its proper divisors (77399025).

197797263 is a wasteful number, since it uses less digits than its factorization.

197797263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866653.

The product of its digits is 1000188, while the sum is 51.

The square root of 197797263 is about 14064.0414888467. The cubic root of 197797263 is about 582.6486697708.

The spelling of 197797263 in words is "one hundred ninety-seven million, seven hundred ninety-seven thousand, two hundred sixty-three".