8512281072 has 240 divisors, whose sum is σ = 26206322688. Its totient is φ = 2567669760.

The previous prime is 8512281053. The next prime is 8512281077. The reversal of 8512281072 is 2701822158.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8512281077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16922773 + ... + 16923275.

Almost surely, 2^8512281072 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 8512281072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13103161344).

8512281072 is an abundant number, since it is smaller than the sum of its proper divisors (17694041616).

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

8512281072 is a wasteful number, since it uses less digits than its factorization.

8512281072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 8512281072 is about 92262.0239968753. The cubic root of 8512281072 is about 2041.8099622881.

The spelling of 8512281072 in words is "eight billion, five hundred twelve million, two hundred eighty-one thousand, seventy-two".