127127980333 has 2 divisors, whose sum is σ = 127127980334. Its totient is φ = 127127980332.

The previous prime is 127127980303. The next prime is 127127980373. The reversal of 127127980333 is 333089721721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113594613444 + 13533366889 = 337038^2 + 116333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127127980333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127127980303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63563990166 + 63563990167.

It is an arithmetic number, because the mean of its divisors is an integer number (63563990167).

Almost surely, 2^127127980333 is an apocalyptic number.

It is an amenable number.

127127980333 is a deficient number, since it is larger than the sum of its proper divisors (1).

127127980333 is an equidigital number, since it uses as much as digits as its factorization.

127127980333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 127127980333 in words is "one hundred twenty-seven billion, one hundred twenty-seven million, nine hundred eighty thousand, three hundred thirty-three".