8979531143 has 8 divisors (see below), whose sum is σ = 9798589200. Its totient is φ = 8160929280.

The previous prime is 8979531139. The next prime is 8979531163. The reversal of 8979531143 is 3411359798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8979531143 - 2² = 8979531139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8979531091 and 8979531100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979531103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72218 + ... + 152231.

It is an arithmetic number, because the mean of its divisors is an integer number (1224823650).

Almost surely, 2^8979531143 is an apocalyptic number.

8979531143 is a deficient number, since it is larger than the sum of its proper divisors (819058057).

8979531143 is a wasteful number, since it uses less digits than its factorization.

8979531143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228097.

The product of its digits is 816480, while the sum is 50.

The square root of 8979531143 is about 94760.3880479602. The cubic root of 8979531143 is about 2078.5057024226.

The spelling of 8979531143 in words is "eight billion, nine hundred seventy-nine million, five hundred thirty-one thousand, one hundred forty-three".