8431985028 has 48 divisors (see below), whose sum is σ = 19751909184. Its totient is φ = 2799646080.

The previous prime is 8431985017. The next prime is 8431985033. The reversal of 8431985028 is 8205891348.

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 15 ways as a sum of consecutive naturals, for example, 6450751 + ... + 6452057.

It is an arithmetic number, because the mean of its divisors is an integer number (411498108).

Almost surely, 2^8431985028 is an apocalyptic number.

It is an amenable number.

8431985028 is an abundant number, since it is smaller than the sum of its proper divisors (11319924156).

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

8431985028 is a wasteful number, since it uses less digits than its factorization.

8431985028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 8431985028 is about 91825.8407421353. The cubic root of 8431985028 is about 2035.3695620782.

The spelling of 8431985028 in words is "eight billion, four hundred thirty-one million, nine hundred eighty-five thousand, twenty-eight".