8971999308 has 36 divisors (see below), whose sum is σ = 22689303000. Its totient is φ = 2989336896.

The previous prime is 8971999307. The next prime is 8971999313. The reversal of 8971999308 is 8039991798.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8971999303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28443 + ... + 136941.

Almost surely, 2^8971999308 is an apocalyptic number.

It is an amenable number.

8971999308 is an abundant number, since it is smaller than the sum of its proper divisors (13717303692).

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

8971999308 is a wasteful number, since it uses less digits than its factorization.

8971999308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110806 (or 110801 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 63.

The square root of 8971999308 is about 94720.6382368700. The cubic root of 8971999308 is about 2077.9244047727.

The spelling of 8971999308 in words is "eight billion, nine hundred seventy-one million, nine hundred ninety-nine thousand, three hundred eight".