127788018880 has 56 divisors (see below), whose sum is σ = 312519444048. Its totient is φ = 49733710848.

The previous prime is 127788018779. The next prime is 127788018887. The reversal of 127788018880 is 88810887721.

It is not an unprimeable number, because it can be changed into a prime (127788018887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5384614 + ... + 5408293.

It is an arithmetic number, because the mean of its divisors is an integer number (5580704358).

Almost surely, 2^127788018880 is an apocalyptic number.

127788018880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127788018880 is an abundant number, since it is smaller than the sum of its proper divisors (184731425168).

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

127788018880 is a wasteful number, since it uses less digits than its factorization.

127788018880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10792961 (or 10792951 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 58.

The spelling of 127788018880 in words is "one hundred twenty-seven billion, seven hundred eighty-eight million, eighteen thousand, eight hundred eighty".