8312989016 has 32 divisors (see below), whose sum is σ = 16099322880. Its totient is φ = 4019997600.

The previous prime is 8312989007. The next prime is 8312989033. The reversal of 8312989016 is 6109892138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444935 + ... + 463241.

It is an arithmetic number, because the mean of its divisors is an integer number (503103840).

Almost surely, 2^8312989016 is an apocalyptic number.

It is an amenable number.

8312989016 is a deficient number, since it is larger than the sum of its proper divisors (7786333864).

8312989016 is a wasteful number, since it uses less digits than its factorization.

8312989016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20175 (or 20171 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 8312989016 is about 91175.5944099077. The cubic root of 8312989016 is about 2025.7494774700.

The spelling of 8312989016 in words is "eight billion, three hundred twelve million, nine hundred eighty-nine thousand, sixteen".