196223751079 has 4 divisors (see below), whose sum is σ = 196229073976. Its totient is φ = 196218428184.

The previous prime is 196223751071. The next prime is 196223751137. The reversal of 196223751079 is 970157322691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970157322691 = 2179 ⋅445230529.

It is a cyclic number.

It is not a de Polignac number, because 196223751079 - 2³ = 196223751071 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 (196223751071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605764 + ... + 2680009.

It is an arithmetic number, because the mean of its divisors is an integer number (49057268494).

Almost surely, 2^196223751079 is an apocalyptic number.

196223751079 is a deficient number, since it is larger than the sum of its proper divisors (5322897).

196223751079 is an equidigital number, since it uses as much as digits as its factorization.

196223751079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322896.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 196223751079 in words is "one hundred ninety-six billion, two hundred twenty-three million, seven hundred fifty-one thousand, seventy-nine".