127927680 has 64 divisors (see below), whose sum is σ = 407775600. Its totient is φ = 34113536.

The previous prime is 127927649. The next prime is 127927687. The reversal of 127927680 is 86729721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127927687) 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, 31395 + ... + 35234.

Almost surely, 2^127927680 is an apocalyptic number.

127927680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127927680 is an abundant number, since it is smaller than the sum of its proper divisors (279847920).

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

127927680 is an equidigital number, since it uses as much as digits as its factorization.

127927680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66651 (or 66639 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 127927680 is about 11310.5119247539. The cubic root of 127927680 is about 503.8734880244.

The spelling of 127927680 in words is "one hundred twenty-seven million, nine hundred twenty-seven thousand, six hundred eighty".