8005000780 has 48 divisors (see below), whose sum is σ = 19225926720. Its totient is φ = 2742582528.

The previous prime is 8005000777. The next prime is 8005000859. The reversal of 8005000780 is 870005008.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180054 + ... + 220066.

It is an arithmetic number, because the mean of its divisors is an integer number (400540140).

Almost surely, 2^8005000780 is an apocalyptic number.

It is an amenable number.

8005000780 is an abundant number, since it is smaller than the sum of its proper divisors (11220925940).

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

8005000780 is a wasteful number, since it uses less digits than its factorization.

8005000780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41458 (or 41456 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 8005000780 is about 89470.6699427248. The cubic root of 8005000780 is about 2000.4166448642.

Adding to 8005000780 its reverse (870005008), we get a palindrome (8875005788).

The spelling of 8005000780 in words is "eight billion, five million, seven hundred eighty", and thus it is an aban number.