127937843856 has 135 divisors (see below), whose sum is σ = 367499653833. Its totient is φ = 41548573440.

The previous prime is 127937843843. The next prime is 127937843863. The reversal of 127937843856 is 658348739721.

The square root of 127937843856 is 357684.

It is a perfect power (a square), and thus also a powerful number.

127937843856 is a `hidden beast` number, since 12 + 79 + 3 + 78 + 438 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6164762256 + 121773081600 = 78516^2 + 348960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127937843793 and 127937843802.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 175980165 + ... + 175980891.

Almost surely, 2^127937843856 is an apocalyptic number.

127937843856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

127937843856 is the 357684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127937843856

127937843856 is an abundant number, since it is smaller than the sum of its proper divisors (239561809977).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127937843856 is an frugal number, since it uses more digits than its factorization.

127937843856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 773 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 127937843856 in words is "one hundred twenty-seven billion, nine hundred thirty-seven million, eight hundred forty-three thousand, eight hundred fifty-six".