8989729026 has 16 divisors (see below), whose sum is σ = 17981992128. Its totient is φ = 2996154000.

The previous prime is 8989728997. The next prime is 8989729033. The reversal of 8989729026 is 6209279898.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57805 + ... + 146016.

It is an arithmetic number, because the mean of its divisors is an integer number (1123874508).

Almost surely, 2^8989729026 is an apocalyptic number.

8989729026 is an abundant number, since it is smaller than the sum of its proper divisors (8992263102).

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

8989729026 is a wasteful number, since it uses less digits than its factorization.

8989729026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211177.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 8989729026 is about 94814.1815658396. The cubic root of 8989729026 is about 2079.2922445627.

The spelling of 8989729026 in words is "eight billion, nine hundred eighty-nine million, seven hundred twenty-nine thousand, twenty-six".