8782720884 has 72 divisors (see below), whose sum is σ = 25802387520. Its totient is φ = 2466813312.

The previous prime is 8782720883. The next prime is 8782720907. The reversal of 8782720884 is 4880272878.

It is a super-2 number, since 2×8782720884² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8782720884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8782720883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280489 + ... + 310224.

Almost surely, 2^8782720884 is an apocalyptic number.

8782720884 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8782720884 is an abundant number, since it is smaller than the sum of its proper divisors (17019666636).

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

8782720884 is a wasteful number, since it uses less digits than its factorization.

8782720884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590789 (or 590784 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The square root of 8782720884 is about 93716.1719448677. The cubic root of 8782720884 is about 2063.2080661349.

The spelling of 8782720884 in words is "eight billion, seven hundred eighty-two million, seven hundred twenty thousand, eight hundred eighty-four".