127568448678 has 16 divisors (see below), whose sum is σ = 278331160896. Its totient is φ = 38657105640.

The previous prime is 127568448677. The next prime is 127568448691. The reversal of 127568448678 is 876844865721.

It is a super-2 number, since 2×127568448678² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 1932855283 = 127568448678 / (1 + 2 + 7 + 5 + 6 + 8 + 4 + 4 + 8 + 6 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127568448671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966427576 + ... + 966427707.

It is an arithmetic number, because the mean of its divisors is an integer number (17395697556).

Almost surely, 2^127568448678 is an apocalyptic number.

127568448678 is an abundant number, since it is smaller than the sum of its proper divisors (150762712218).

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

127568448678 is a wasteful number, since it uses less digits than its factorization.

127568448678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932855299.

The product of its digits is 144506880, while the sum is 66.

The spelling of 127568448678 in words is "one hundred twenty-seven billion, five hundred sixty-eight million, four hundred forty-eight thousand, six hundred seventy-eight".