196912907 has 2 divisors, whose sum is σ = 196912908. Its totient is φ = 196912906.

The previous prime is 196912883. The next prime is 196912943. The reversal of 196912907 is 709219691.

It is a weak prime.

It is an emirp because it is prime and its reverse (709219691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196912907 - 2⁶ = 196912843 is a prime.

It is not a weakly prime, because it can be changed into another prime (196912957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98456453 + 98456454.

It is an arithmetic number, because the mean of its divisors is an integer number (98456454).

Almost surely, 2^196912907 is an apocalyptic number.

196912907 is a deficient number, since it is larger than the sum of its proper divisors (1).

196912907 is an equidigital number, since it uses as much as digits as its factorization.

196912907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 196912907 is about 14032.5659449724. The cubic root of 196912907 is about 581.7790273256.

The spelling of 196912907 in words is "one hundred ninety-six million, nine hundred twelve thousand, nine hundred seven".