8080856784 has 400 divisors, whose sum is σ = 31407573120. Its totient is φ = 1937157120.

The previous prime is 8080856779. The next prime is 8080856813. The reversal of 8080856784 is 4876580808.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8080856784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1294182 + ... + 1300410.

Almost surely, 2^8080856784 is an apocalyptic number.

8080856784 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8080856784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15703786560).

8080856784 is an abundant number, since it is smaller than the sum of its proper divisors (23326716336).

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

8080856784 is a wasteful number, since it uses less digits than its factorization.

8080856784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The square root of 8080856784 is about 89893.5858890944. The cubic root of 8080856784 is about 2006.7154911846.

The spelling of 8080856784 in words is "eight billion, eighty million, eight hundred fifty-six thousand, seven hundred eighty-four".