8008780080 has 160 divisors (see below), whose sum is σ = 28625739264. Its totient is φ = 1814335488.

The previous prime is 8008780037. The next prime is 8008780081. The reversal of 8008780080 is 800878008.

8008780080 is a nontrivial binomial coefficient, being equal to C(126561, 2).

It is not an unprimeable number, because it can be changed into a prime (8008780081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168747 + ... + 210933.

Almost surely, 2^8008780080 is an apocalyptic number.

8008780080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

8008780080 is the 126560-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8008780080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14312869632).

8008780080 is an abundant number, since it is smaller than the sum of its proper divisors (20616959184).

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

8008780080 is a wasteful number, since it uses less digits than its factorization.

8008780080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42323 (or 42317 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 8008780080 is about 89491.7877796617. The cubic root of 8008780080 is about 2000.7314058235.

The spelling of 8008780080 in words is "eight billion, eight million, seven hundred eighty thousand, eighty".