197008945005727 has 2 divisors, whose sum is σ = 197008945005728. Its totient is φ = 197008945005726.

The previous prime is 197008945005709. The next prime is 197008945005749. The reversal of 197008945005727 is 727500549800791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197008945005727 - 2⁷ = 197008945005599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197008945005767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98504472502863 + 98504472502864.

It is an arithmetic number, because the mean of its divisors is an integer number (98504472502864).

Almost surely, 2^{197008945005727} is an apocalyptic number.

197008945005727 is a deficient number, since it is larger than the sum of its proper divisors (1).

197008945005727 is an equidigital number, since it uses as much as digits as its factorization.

197008945005727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44452800, while the sum is 64.

The spelling of 197008945005727 in words is "one hundred ninety-seven trillion, eight billion, nine hundred forty-five million, five thousand, seven hundred twenty-seven".