8531879328 has 144 divisors (see below), whose sum is σ = 27785249856. Its totient is φ = 2432701440.

The previous prime is 8531879327. The next prime is 8531879333. The reversal of 8531879328 is 8239781358.

8531879328 is a `hidden beast` number, since 8 + 531 + 8 + 79 + 32 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (8531879327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046275 + ... + 1054397.

It is an arithmetic number, because the mean of its divisors is an integer number (192953124).

Almost surely, 2^8531879328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8531879328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13892624928).

8531879328 is an abundant number, since it is smaller than the sum of its proper divisors (19253370528).

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

8531879328 is a wasteful number, since it uses less digits than its factorization.

8531879328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667 (or 8656 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 8531879328 is about 92368.1727003409. The cubic root of 8531879328 is about 2043.3757487482.

The spelling of 8531879328 in words is "eight billion, five hundred thirty-one million, eight hundred seventy-nine thousand, three hundred twenty-eight".