8689923428 has 24 divisors (see below), whose sum is σ = 15735631800. Its totient is φ = 4194102528.

The previous prime is 8689923409. The next prime is 8689923469. The reversal of 8689923428 is 8243299868.

8689923428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40551424 + 8649372004 = 6368^2 + 93002^2 .

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, 694088 + ... + 706496.

It is an arithmetic number, because the mean of its divisors is an integer number (655651325).

Almost surely, 2^8689923428 is an apocalyptic number.

It is an amenable number.

8689923428 is a deficient number, since it is larger than the sum of its proper divisors (7045708372).

8689923428 is a wasteful number, since it uses less digits than its factorization.

8689923428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18479 (or 18477 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 59.

The square root of 8689923428 is about 93219.7587853562. The cubic root of 8689923428 is about 2055.9157639463.

The spelling of 8689923428 in words is "eight billion, six hundred eighty-nine million, nine hundred twenty-three thousand, four hundred twenty-eight".