127487686916 has 12 divisors (see below), whose sum is σ = 223897416540. Its totient is φ = 63516996480.

The previous prime is 127487686903. The next prime is 127487686967. The reversal of 127487686916 is 619686784721.

It can be written as a sum of positive squares in 2 ways, for example, as 41343088900 + 86144598016 = 203330^2 + 293504^2 .

It is a super-2 number, since 2×127487686916² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56710481 + ... + 56712728.

It is an arithmetic number, because the mean of its divisors is an integer number (18658118045).

Almost surely, 2^127487686916 is an apocalyptic number.

It is an amenable number.

127487686916 is a deficient number, since it is larger than the sum of its proper divisors (96409729624).

127487686916 is a wasteful number, since it uses less digits than its factorization.

127487686916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113423494 (or 113423492 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 65.

The spelling of 127487686916 in words is "one hundred twenty-seven billion, four hundred eighty-seven million, six hundred eighty-six thousand, nine hundred sixteen".