8431855012 has 48 divisors (see below), whose sum is σ = 17339857920. Its totient is φ = 3512875392.

The previous prime is 8431854989. The next prime is 8431855049. The reversal of 8431855012 is 2105581348.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135693 + ... + 187819.

It is an arithmetic number, because the mean of its divisors is an integer number (361247040).

Almost surely, 2^8431855012 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 8431855012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8669928960).

8431855012 is an abundant number, since it is smaller than the sum of its proper divisors (8908002908).

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

8431855012 is a wasteful number, since it uses less digits than its factorization.

8431855012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52300 (or 52298 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 8431855012 is about 91825.1327905383. The cubic root of 8431855012 is about 2035.3591006440.

The spelling of 8431855012 in words is "eight billion, four hundred thirty-one million, eight hundred fifty-five thousand, twelve".