197796847 has 2 divisors, whose sum is σ = 197796848. Its totient is φ = 197796846.

The previous prime is 197796817. The next prime is 197796877. The reversal of 197796847 is 748697791.

It is a balanced prime because it is at equal distance from previous prime (197796817) and next prime (197796877).

It is a cyclic number.

It is not a de Polignac number, because 197796847 - 2¹¹ = 197794799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197796791 and 197796800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197796817) 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, 98898423 + 98898424.

It is an arithmetic number, because the mean of its divisors is an integer number (98898424).

Almost surely, 2^197796847 is an apocalyptic number.

197796847 is a deficient number, since it is larger than the sum of its proper divisors (1).

197796847 is an equidigital number, since it uses as much as digits as its factorization.

197796847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 58.

The square root of 197796847 is about 14064.0266993489. The cubic root of 197796847 is about 582.6482613020.

The spelling of 197796847 in words is "one hundred ninety-seven million, seven hundred ninety-six thousand, eight hundred forty-seven".