128277872720360 has 32 divisors (see below), whose sum is σ = 314863869405600. Its totient is φ = 46646499170880.

The previous prime is 128277872720353. The next prime is 128277872720407. The reversal of 128277872720360 is 63027278772821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128277872720293 and 128277872720302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145770309470 + ... + 145770310349.

It is an arithmetic number, because the mean of its divisors is an integer number (9839495918925).

Almost surely, 2^{128277872720360} is an apocalyptic number.

128277872720360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128277872720360 is an abundant number, since it is smaller than the sum of its proper divisors (186585996685240).

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

128277872720360 is a wasteful number, since it uses less digits than its factorization.

128277872720360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291540619841 (or 291540619837 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 62.

The spelling of 128277872720360 in words is "one hundred twenty-eight trillion, two hundred seventy-seven billion, eight hundred seventy-two million, seven hundred twenty thousand, three hundred sixty".