127988000269 has 2 divisors, whose sum is σ = 127988000270. Its totient is φ = 127988000268.

The previous prime is 127988000267. The next prime is 127988000303. The reversal of 127988000269 is 962000889721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124161093225 + 3826907044 = 352365^2 + 61862^2 .

It is a cyclic number.

It is not a de Polignac number, because 127988000269 - 2¹ = 127988000267 is a prime.

It is a super-2 number, since 2×127988000269² (a number of 23 digits) contains 22 as substring.

Together with 127988000267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127988000267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63994000134 + 63994000135.

It is an arithmetic number, because the mean of its divisors is an integer number (63994000135).

Almost surely, 2^127988000269 is an apocalyptic number.

It is an amenable number.

127988000269 is a deficient number, since it is larger than the sum of its proper divisors (1).

127988000269 is an equidigital number, since it uses as much as digits as its factorization.

127988000269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 127988000269 in words is "one hundred twenty-seven billion, nine hundred eighty-eight million, two hundred sixty-nine", and thus it is an aban number.