128678483 has 8 divisors (see below), whose sum is σ = 131453280. Its totient is φ = 125930560.

The previous prime is 128678479. The next prime is 128678497. The reversal of 128678483 is 384876821.

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 128678483 - 2² = 128678479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128678443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (16431660).

Almost surely, 2^128678483 is an apocalyptic number.

128678483 is a deficient number, since it is larger than the sum of its proper divisors (2774797).

128678483 is a wasteful number, since it uses less digits than its factorization.

128678483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437.

The product of its digits is 516096, while the sum is 47.

The square root of 128678483 is about 11343.6538646064. The cubic root of 128678483 is about 504.8573043877.

The spelling of 128678483 in words is "one hundred twenty-eight million, six hundred seventy-eight thousand, four hundred eighty-three".