196711797 has 4 divisors (see below), whose sum is σ = 262282400. Its totient is φ = 131141196.

The previous prime is 196711793. The next prime is 196711813. The reversal of 196711797 is 797117691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 196711797 - 2² = 196711793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196711793) 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, 32785297 + ... + 32785302.

It is an arithmetic number, because the mean of its divisors is an integer number (65570600).

Almost surely, 2^196711797 is an apocalyptic number.

It is an amenable number.

196711797 is a deficient number, since it is larger than the sum of its proper divisors (65570603).

196711797 is an equidigital number, since it uses as much as digits as its factorization.

196711797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65570602.

The product of its digits is 166698, while the sum is 48.

The square root of 196711797 is about 14025.3982831148. The cubic root of 196711797 is about 581.5809000818.

The spelling of 196711797 in words is "one hundred ninety-six million, seven hundred eleven thousand, seven hundred ninety-seven".