8431722928 has 20 divisors (see below), whose sum is σ = 16419395520. Its totient is φ = 4194459584.

The previous prime is 8431722919. The next prime is 8431722947. The reversal of 8431722928 is 8292271348.

It is a super-3 number, since 3×8431722928³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334368 + ... + 1340671.

It is an arithmetic number, because the mean of its divisors is an integer number (820969776).

Almost surely, 2^8431722928 is an apocalyptic number.

It is an amenable number.

8431722928 is a deficient number, since it is larger than the sum of its proper divisors (7987672592).

8431722928 is a wasteful number, since it uses less digits than its factorization.

8431722928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675244 (or 2675238 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 8431722928 is about 91824.4135728620. The cubic root of 8431722928 is about 2035.3484727030.

The spelling of 8431722928 in words is "eight billion, four hundred thirty-one million, seven hundred twenty-two thousand, nine hundred twenty-eight".