196467871 has 2 divisors, whose sum is σ = 196467872. Its totient is φ = 196467870.

The previous prime is 196467851. The next prime is 196467877. The reversal of 196467871 is 178764691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196467871 - 2¹¹ = 196465823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196467877) 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, 98233935 + 98233936.

It is an arithmetic number, because the mean of its divisors is an integer number (98233936).

Almost surely, 2^196467871 is an apocalyptic number.

196467871 is a deficient number, since it is larger than the sum of its proper divisors (1).

196467871 is an equidigital number, since it uses as much as digits as its factorization.

196467871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 196467871 is about 14016.6997185500. The cubic root of 196467871 is about 581.3404105558.

The spelling of 196467871 in words is "one hundred ninety-six million, four hundred sixty-seven thousand, eight hundred seventy-one".