196793871 has 4 divisors (see below), whose sum is σ = 262391832. Its totient is φ = 131195912.

The previous prime is 196793827. The next prime is 196793893. The reversal of 196793871 is 178397691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178397691 = 3 ⋅59465897.

It is a cyclic number.

It is not a de Polignac number, because 196793871 - 2²² = 192599567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196793171) 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 3 ways as a sum of consecutive naturals, for example, 32798976 + ... + 32798981.

It is an arithmetic number, because the mean of its divisors is an integer number (65597958).

Almost surely, 2^196793871 is an apocalyptic number.

196793871 is a deficient number, since it is larger than the sum of its proper divisors (65597961).

196793871 is an equidigital number, since it uses as much as digits as its factorization.

196793871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65597960.

The product of its digits is 571536, while the sum is 51.

The square root of 196793871 is about 14028.3238841994. The cubic root of 196793871 is about 581.6617731061.

The spelling of 196793871 in words is "one hundred ninety-six million, seven hundred ninety-three thousand, eight hundred seventy-one".