8003800780 has 48 divisors (see below), whose sum is σ = 17279087616. Its totient is φ = 3111955200.

The previous prime is 8003800759. The next prime is 8003800781. The reversal of 8003800780 is 870083008.

It is not an unprimeable number, because it can be changed into a prime (8003800781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847042 + ... + 856438.

It is an arithmetic number, because the mean of its divisors is an integer number (359980992).

Almost surely, 2^8003800780 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 8003800780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8639543808).

8003800780 is an abundant number, since it is smaller than the sum of its proper divisors (9275286836).

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

8003800780 is a wasteful number, since it uses less digits than its factorization.

8003800780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10594 (or 10592 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 8003800780 is about 89463.9635831098. The cubic root of 8003800780 is about 2000.3166815204.

Adding to 8003800780 its reverse (870083008), we get a palindrome (8873883788).

The spelling of 8003800780 in words is "eight billion, three million, eight hundred thousand, seven hundred eighty".