196963577 has 2 divisors, whose sum is σ = 196963578. Its totient is φ = 196963576.

The previous prime is 196963561. The next prime is 196963583. The reversal of 196963577 is 775369691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173817856 + 23145721 = 13184^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 196963577 - 2⁴ = 196963561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196963597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98481788 + 98481789.

It is an arithmetic number, because the mean of its divisors is an integer number (98481789).

Almost surely, 2^196963577 is an apocalyptic number.

It is an amenable number.

196963577 is a deficient number, since it is larger than the sum of its proper divisors (1).

196963577 is an equidigital number, since it uses as much as digits as its factorization.

196963577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 53.

The square root of 196963577 is about 14034.3712719879. The cubic root of 196963577 is about 581.8289245375.

The spelling of 196963577 in words is "one hundred ninety-six million, nine hundred sixty-three thousand, five hundred seventy-seven".