127737783841 has 2 divisors, whose sum is σ = 127737783842. Its totient is φ = 127737783840.

The previous prime is 127737783827. The next prime is 127737783851. The reversal of 127737783841 is 148387737721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119165801616 + 8571982225 = 345204^2 + 92585^2 .

It is a cyclic number.

It is not a de Polignac number, because 127737783841 - 2⁵ = 127737783809 is a prime.

It is a super-2 number, since 2×127737783841² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127737783821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63868891920 + 63868891921.

It is an arithmetic number, because the mean of its divisors is an integer number (63868891921).

Almost surely, 2^127737783841 is an apocalyptic number.

It is an amenable number.

127737783841 is a deficient number, since it is larger than the sum of its proper divisors (1).

127737783841 is an equidigital number, since it uses as much as digits as its factorization.

127737783841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11063808, while the sum is 58.

The spelling of 127737783841 in words is "one hundred twenty-seven billion, seven hundred thirty-seven million, seven hundred eighty-three thousand, eight hundred forty-one".