196771869 has 16 divisors (see below), whose sum is σ = 333159040. Its totient is φ = 112440960.

The previous prime is 196771853. The next prime is 196771879. The reversal of 196771869 is 968177691.

It is not a de Polignac number, because 196771869 - 2⁴ = 196771853 is a prime.

It is a super-2 number, since 2×196771869² = 77438336859506322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196771879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520372 + ... + 520749.

It is an arithmetic number, because the mean of its divisors is an integer number (20822440).

Almost surely, 2^196771869 is an apocalyptic number.

It is an amenable number.

196771869 is a deficient number, since it is larger than the sum of its proper divisors (136387171).

196771869 is a wasteful number, since it uses less digits than its factorization.

196771869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041137 (or 1041131 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 196771869 is about 14027.5396631056. The cubic root of 196771869 is about 581.6400952641.

The spelling of 196771869 in words is "one hundred ninety-six million, seven hundred seventy-one thousand, eight hundred sixty-nine".