196223751077 has 4 divisors (see below), whose sum is σ = 196407310380. Its totient is φ = 196040191776.

The previous prime is 196223751071. The next prime is 196223751137. The reversal of 196223751077 is 770157322691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83358660961 + 112865090116 = 288719^2 + 335954^2 .

It is a cyclic number.

It is not a de Polignac number, because 196223751077 - 2¹⁰ = 196223750053 is a prime.

It is a super-3 number, since 3×196223751077³ (a number of 35 digits) contains 333 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 (196223751071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91778048 + ... + 91780185.

It is an arithmetic number, because the mean of its divisors is an integer number (49101827595).

Almost surely, 2^196223751077 is an apocalyptic number.

It is an amenable number.

196223751077 is a deficient number, since it is larger than the sum of its proper divisors (183559303).

196223751077 is a wasteful number, since it uses less digits than its factorization.

196223751077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183559302.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 196223751077 in words is "one hundred ninety-six billion, two hundred twenty-three million, seven hundred fifty-one thousand, seventy-seven".