127803664000 has 64 divisors (see below), whose sum is σ = 317751899400. Its totient is φ = 51121459200.

The previous prime is 127803663961. The next prime is 127803664007. The reversal of 127803664000 is 466308721.

It can be written as a sum of positive squares in 4 ways, for example, as 75413947456 + 52389716544 = 274616^2 + 228888^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (127803664007) 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, 3977865 + ... + 4009864.

Almost surely, 2^127803664000 is an apocalyptic number.

127803664000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127803664000 is an abundant number, since it is smaller than the sum of its proper divisors (189948235400).

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

127803664000 is an frugal number, since it uses more digits than its factorization.

127803664000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987758 (or 7987736 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 127803664000 in words is "one hundred twenty-seven billion, eight hundred three million, six hundred sixty-four thousand".