8782721012 has 48 divisors (see below), whose sum is σ = 16700093760. Its totient is φ = 4017454848.

The previous prime is 8782721009. The next prime is 8782721023. The reversal of 8782721012 is 2101272878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550208 + ... + 3552680.

It is an arithmetic number, because the mean of its divisors is an integer number (347918620).

Almost surely, 2^8782721012 is an apocalyptic number.

It is an amenable number.

8782721012 is a deficient number, since it is larger than the sum of its proper divisors (7917372748).

8782721012 is a wasteful number, since it uses less digits than its factorization.

8782721012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 8782721012 is about 93716.1726277807. The cubic root of 8782721012 is about 2063.2080761580.

The spelling of 8782721012 in words is "eight billion, seven hundred eighty-two million, seven hundred twenty-one thousand, twelve".