197713863 has 24 divisors (see below), whose sum is σ = 290128800. Its totient is φ = 129729600.

The previous prime is 197713847. The next prime is 197713907. The reversal of 197713863 is 368317791.

It is not a de Polignac number, because 197713863 - 2⁴ = 197713847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197713363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180345 + ... + 181437.

It is an arithmetic number, because the mean of its divisors is an integer number (12088700).

Almost surely, 2^197713863 is an apocalyptic number.

197713863 is a deficient number, since it is larger than the sum of its proper divisors (92414937).

197713863 is a wasteful number, since it uses less digits than its factorization.

197713863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 197713863 is about 14061.0761679183. The cubic root of 197713863 is about 582.5667681820.

The spelling of 197713863 in words is "one hundred ninety-seven million, seven hundred thirteen thousand, eight hundred sixty-three".