127680585 has 8 divisors (see below), whose sum is σ = 204288960. Its totient is φ = 68096304.

The previous prime is 127680569. The next prime is 127680587. The reversal of 127680585 is 585086721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127680585 - 2⁴ = 127680569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127680587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256005 + ... + 4256034.

It is an arithmetic number, because the mean of its divisors is an integer number (25536120).

Almost surely, 2^127680585 is an apocalyptic number.

127680585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127680585 is a deficient number, since it is larger than the sum of its proper divisors (76608375).

127680585 is an equidigital number, since it uses as much as digits as its factorization.

127680585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512047.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 127680585 is about 11299.5833994002. The cubic root of 127680585 is about 503.5488648552.

The spelling of 127680585 in words is "one hundred twenty-seven million, six hundred eighty thousand, five hundred eighty-five".