196790479 has 2 divisors, whose sum is σ = 196790480. Its totient is φ = 196790478.

The previous prime is 196790471. The next prime is 196790483. The reversal of 196790479 is 974097691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196790479 - 2³ = 196790471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196790471) 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 as a sum of consecutive naturals, namely, 98395239 + 98395240.

It is an arithmetic number, because the mean of its divisors is an integer number (98395240).

Almost surely, 2^196790479 is an apocalyptic number.

196790479 is a deficient number, since it is larger than the sum of its proper divisors (1).

196790479 is an equidigital number, since it uses as much as digits as its factorization.

196790479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 196790479 is about 14028.2029854148. The cubic root of 196790479 is about 581.6584311862.

The spelling of 196790479 in words is "one hundred ninety-six million, seven hundred ninety thousand, four hundred seventy-nine".