127278145568 has 192 divisors, whose sum is σ = 302705786880. Its totient is φ = 51503772672.

The previous prime is 127278145567. The next prime is 127278145571. The reversal of 127278145568 is 865541872721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (127278145567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159696146 + ... + 159696942.

It is an arithmetic number, because the mean of its divisors is an integer number (1576592640).

Almost surely, 2^127278145568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127278145568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151352893440).

127278145568 is an abundant number, since it is smaller than the sum of its proper divisors (175427641312).

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

127278145568 is a wasteful number, since it uses less digits than its factorization.

127278145568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1191 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 56.

The spelling of 127278145568 in words is "one hundred twenty-seven billion, two hundred seventy-eight million, one hundred forty-five thousand, five hundred sixty-eight".