196920727 has 2 divisors, whose sum is σ = 196920728. Its totient is φ = 196920726.

The previous prime is 196920677. The next prime is 196920743. The reversal of 196920727 is 727029691.

It is a strong prime.

It is an emirp because it is prime and its reverse (727029691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196920727 - 2¹⁵ = 196887959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196920797) 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, 98460363 + 98460364.

It is an arithmetic number, because the mean of its divisors is an integer number (98460364).

Almost surely, 2^196920727 is an apocalyptic number.

196920727 is a deficient number, since it is larger than the sum of its proper divisors (1).

196920727 is an equidigital number, since it uses as much as digits as its factorization.

196920727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 196920727 is about 14032.8445797707. The cubic root of 196920727 is about 581.7867286182.

The spelling of 196920727 in words is "one hundred ninety-six million, nine hundred twenty thousand, seven hundred twenty-seven".