8012963556 has 240 divisors, whose sum is σ = 23905728000. Its totient is φ = 2320109568.

The previous prime is 8012963489. The next prime is 8012963561. The reversal of 8012963556 is 6553692108.

8012963556 is a `hidden beast` number, since 8 + 0 + 1 + 2 + 9 + 635 + 5 + 6 = 666.

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 79 ways as a sum of consecutive naturals, for example, 17846020 + ... + 17846468.

It is an arithmetic number, because the mean of its divisors is an integer number (99607200).

Almost surely, 2^8012963556 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 8012963556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952864000).

8012963556 is an abundant number, since it is smaller than the sum of its proper divisors (15892764444).

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

8012963556 is a wasteful number, since it uses less digits than its factorization.

8012963556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 8012963556 is about 89515.1582470813. The cubic root of 8012963556 is about 2001.0797133380.

The spelling of 8012963556 in words is "eight billion, twelve million, nine hundred sixty-three thousand, five hundred fifty-six".