8981333975 has 12 divisors (see below), whose sum is σ = 11147879496. Its totient is φ = 7177954080.

The previous prime is 8981333927. The next prime is 8981333989. The reversal of 8981333975 is 5793331898.

It is a happy number.

It is not a de Polignac number, because 8981333975 - 2³⁰ = 7907592151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8981333975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151997 + ... + 202646.

It is an arithmetic number, because the mean of its divisors is an integer number (928989958).

Almost surely, 2^8981333975 is an apocalyptic number.

8981333975 is a deficient number, since it is larger than the sum of its proper divisors (2166545521).

8981333975 is a wasteful number, since it uses less digits than its factorization.

8981333975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355666 (or 355661 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 8981333975 is about 94769.9001529494. The cubic root of 8981333975 is about 2078.6447945342.

The spelling of 8981333975 in words is "eight billion, nine hundred eighty-one million, three hundred thirty-three thousand, nine hundred seventy-five".