8658939044 has 12 divisors (see below), whose sum is σ = 17317878144. Its totient is φ = 3710973864.

The previous prime is 8658939041. The next prime is 8658939071. The reversal of 8658939044 is 4409398568.

It is a happy number.

8658939044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8658939041) 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 3 ways as a sum of consecutive naturals, for example, 154623884 + ... + 154623939.

It is an arithmetic number, because the mean of its divisors is an integer number (1443156512).

Almost surely, 2^8658939044 is an apocalyptic number.

It is an amenable number.

8658939044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8658939044 is a wasteful number, since it uses less digits than its factorization.

8658939044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309247834 (or 309247832 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 8658939044 is about 93053.4203777594. The cubic root of 8658939044 is about 2053.4693617248.

The spelling of 8658939044 in words is "eight billion, six hundred fifty-eight million, nine hundred thirty-nine thousand, forty-four".