127680379 has 8 divisors (see below), whose sum is σ = 129563280. Its totient is φ = 125807616.

The previous prime is 127680367. The next prime is 127680389. The reversal of 127680379 is 973086721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 127680379 - 2⁵ = 127680347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127680349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24987 + ... + 29659.

It is an arithmetic number, because the mean of its divisors is an integer number (16195410).

Almost surely, 2^127680379 is an apocalyptic number.

127680379 is a deficient number, since it is larger than the sum of its proper divisors (1882901).

127680379 is an equidigital number, since it uses as much as digits as its factorization.

127680379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 127680379 is about 11299.5742840162. The cubic root of 127680379 is about 503.5485940463.

The spelling of 127680379 in words is "one hundred twenty-seven million, six hundred eighty thousand, three hundred seventy-nine".