127661709548 has 6 divisors (see below), whose sum is σ = 223407991716. Its totient is φ = 63830854772.

The previous prime is 127661709541. The next prime is 127661709563. The reversal of 127661709548 is 845907166721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127661709493 and 127661709502.

It is not an unprimeable number, because it can be changed into a prime (127661709541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15957713690 + ... + 15957713697.

It is an arithmetic number, because the mean of its divisors is an integer number (37234665286).

Almost surely, 2^127661709548 is an apocalyptic number.

It is an amenable number.

127661709548 is a deficient number, since it is larger than the sum of its proper divisors (95746282168).

127661709548 is a wasteful number, since it uses less digits than its factorization.

127661709548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31915427391 (or 31915427389 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 127661709548 in words is "one hundred twenty-seven billion, six hundred sixty-one million, seven hundred nine thousand, five hundred forty-eight".