128677714 has 16 divisors (see below), whose sum is σ = 217357056. Its totient is φ = 56602800.

The previous prime is 128677697. The next prime is 128677729. The reversal of 128677714 is 417776821.

It is an unprimeable number.

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, 93657 + ... + 95020.

It is an arithmetic number, because the mean of its divisors is an integer number (13584816).

Almost surely, 2^128677714 is an apocalyptic number.

128677714 is a deficient number, since it is larger than the sum of its proper divisors (88679342).

128677714 is a wasteful number, since it uses less digits than its factorization.

128677714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188721.

The product of its digits is 131712, while the sum is 43.

The square root of 128677714 is about 11343.6199689517. The cubic root of 128677714 is about 504.8562986872.

The spelling of 128677714 in words is "one hundred twenty-eight million, six hundred seventy-seven thousand, seven hundred fourteen".