127326467197 has 2 divisors, whose sum is σ = 127326467198. Its totient is φ = 127326467196.

The previous prime is 127326467167. The next prime is 127326467263. The reversal of 127326467197 is 791764623721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127291254841 + 35212356 = 356779^2 + 5934^2 .

It is an emirp because it is prime and its reverse (791764623721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127326467197 - 2⁷ = 127326467069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127326467117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63663233598 + 63663233599.

It is an arithmetic number, because the mean of its divisors is an integer number (63663233599).

Almost surely, 2^127326467197 is an apocalyptic number.

It is an amenable number.

127326467197 is a deficient number, since it is larger than the sum of its proper divisors (1).

127326467197 is an equidigital number, since it uses as much as digits as its factorization.

127326467197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The spelling of 127326467197 in words is "one hundred twenty-seven billion, three hundred twenty-six million, four hundred sixty-seven thousand, one hundred ninety-seven".