8012783616 has 84 divisors (see below), whose sum is σ = 21403603116. Its totient is φ = 2666250240.

The previous prime is 8012783599. The next prime is 8012783629. The reversal of 8012783616 is 6163872108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14032611 + ... + 14033181.

It is an arithmetic number, because the mean of its divisors is an integer number (254804799).

Almost surely, 2^8012783616 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 8012783616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10701801558).

8012783616 is an abundant number, since it is smaller than the sum of its proper divisors (13390819500).

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

8012783616 is an frugal number, since it uses more digits than its factorization.

8012783616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8012783616 is about 89514.1531602685. The cubic root of 8012783616 is about 2001.0647344031.

The spelling of 8012783616 in words is "eight billion, twelve million, seven hundred eighty-three thousand, six hundred sixteen".