196783954567 has 4 divisors (see below), whose sum is σ = 196907177176. Its totient is φ = 196660731960.

The previous prime is 196783954561. The next prime is 196783954571. The reversal of 196783954567 is 765459387691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765459387691 = 2137 ⋅358193443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196783954567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196783954496 and 196783954505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196783954561) 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, 61608909 + ... + 61612102.

It is an arithmetic number, because the mean of its divisors is an integer number (49226794294).

Almost surely, 2^196783954567 is an apocalyptic number.

196783954567 is a deficient number, since it is larger than the sum of its proper divisors (123222609).

196783954567 is a wasteful number, since it uses less digits than its factorization.

196783954567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123222608.

The product of its digits is 342921600, while the sum is 70.

The spelling of 196783954567 in words is "one hundred ninety-six billion, seven hundred eighty-three million, nine hundred fifty-four thousand, five hundred sixty-seven".