4389731678 has 16 divisors (see below), whose sum is σ = 6730050240. Its totient is φ = 2146643616.

The previous prime is 4389731663. The next prime is 4389731681. The reversal of 4389731678 is 8761379834.

It is a congruent number.

It is an unprimeable number.

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, 31718 + ... + 98921.

It is an arithmetic number, because the mean of its divisors is an integer number (420628140).

Almost surely, 2^4389731678 is an apocalyptic number.

4389731678 is a deficient number, since it is larger than the sum of its proper divisors (2340318562).

4389731678 is a wasteful number, since it uses less digits than its factorization.

4389731678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131011.

The product of its digits is 6096384, while the sum is 56.

The square root of 4389731678 is about 66255.0502075125. The cubic root of 4389731678 is about 1637.3668430697.

The spelling of 4389731678 in words is "four billion, three hundred eighty-nine million, seven hundred thirty-one thousand, six hundred seventy-eight".