197796863 has 8 divisors (see below), whose sum is σ = 217209216. Its totient is φ = 178623000.

The previous prime is 197796847. The next prime is 197796877. The reversal of 197796863 is 368697791.

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

It is a cyclic number.

It is not a de Polignac number, because 197796863 - 2⁴ = 197796847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197796799 and 197796808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197796463) 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, 57881 + ... + 61202.

It is an arithmetic number, because the mean of its divisors is an integer number (27151152).

Almost surely, 2^197796863 is an apocalyptic number.

197796863 is a deficient number, since it is larger than the sum of its proper divisors (19412353).

197796863 is a wasteful number, since it uses less digits than its factorization.

197796863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119245.

The product of its digits is 3429216, while the sum is 56.

The square root of 197796863 is about 14064.0272681761. The cubic root of 197796863 is about 582.6482770124.

The spelling of 197796863 in words is "one hundred ninety-seven million, seven hundred ninety-six thousand, eight hundred sixty-three".