127828547 has 8 divisors (see below), whose sum is σ = 159370752. Its totient is φ = 99606600.

The previous prime is 127828543. The next prime is 127828577. The reversal of 127828547 is 745828721.

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 127828547 - 2² = 127828543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127828498 and 127828507.

It is not an unprimeable number, because it can be changed into a prime (127828541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829979 + ... + 830132.

It is an arithmetic number, because the mean of its divisors is an integer number (19921344).

Almost surely, 2^127828547 is an apocalyptic number.

127828547 is a deficient number, since it is larger than the sum of its proper divisors (31542205).

127828547 is a wasteful number, since it uses less digits than its factorization.

127828547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660129.

The product of its digits is 250880, while the sum is 44.

The square root of 127828547 is about 11306.1287362209. The cubic root of 127828547 is about 503.7433014521.

The spelling of 127828547 in words is "one hundred twenty-seven million, eight hundred twenty-eight thousand, five hundred forty-seven".