127861483866556 has 36 divisors (see below), whose sum is σ = 247370100213096. Its totient is φ = 57782909118880.

The previous prime is 127861483866547. The next prime is 127861483866631. The reversal of 127861483866556 is 655668384168721.

It is a super-2 number, since 2×127861483866556² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763432510 + ... + 763599973.

It is an arithmetic number, because the mean of its divisors is an integer number (6871391672586).

Almost surely, 2^{127861483866556} is an apocalyptic number.

It is an amenable number.

127861483866556 is a deficient number, since it is larger than the sum of its proper divisors (119508616346540).

127861483866556 is a wasteful number, since it uses less digits than its factorization.

127861483866556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527032682 (or 1527032669 counting only the distinct ones).

The product of its digits is 2786918400, while the sum is 76.

The spelling of 127861483866556 in words is "one hundred twenty-seven trillion, eight hundred sixty-one billion, four hundred eighty-three million, eight hundred sixty-six thousand, five hundred fifty-six".