127211846634797 has 2 divisors, whose sum is σ = 127211846634798. Its totient is φ = 127211846634796.

The previous prime is 127211846634793. The next prime is 127211846634827. The reversal of 127211846634797 is 797436648112721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126732409487401 + 479437147396 = 11257549^2 + 692414^2 .

It is a cyclic number.

It is not a de Polignac number, because 127211846634797 - 2² = 127211846634793 is a prime.

It is a super-2 number, since 2×127211846634797² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127211846634793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63605923317398 + 63605923317399.

It is an arithmetic number, because the mean of its divisors is an integer number (63605923317399).

Almost surely, 2^{127211846634797} is an apocalyptic number.

It is an amenable number.

127211846634797 is a deficient number, since it is larger than the sum of its proper divisors (1).

127211846634797 is an equidigital number, since it uses as much as digits as its factorization.

127211846634797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 68.

The spelling of 127211846634797 in words is "one hundred twenty-seven trillion, two hundred eleven billion, eight hundred forty-six million, six hundred thirty-four thousand, seven hundred ninety-seven".