197803608007 has 2 divisors, whose sum is σ = 197803608008. Its totient is φ = 197803608006.

The previous prime is 197803607977. The next prime is 197803608011. The reversal of 197803608007 is 700806308791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197803608007 - 2¹¹ = 197803605959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197803608077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98901804003 + 98901804004.

It is an arithmetic number, because the mean of its divisors is an integer number (98901804004).

Almost surely, 2^197803608007 is an apocalyptic number.

197803608007 is a deficient number, since it is larger than the sum of its proper divisors (1).

197803608007 is an equidigital number, since it uses as much as digits as its factorization.

197803608007 is an evil number, because the sum of its binary digits is even.

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

The spelling of 197803608007 in words is "one hundred ninety-seven billion, eight hundred three million, six hundred eight thousand, seven".