8280780008 has 32 divisors (see below), whose sum is σ = 15757173000. Its totient is φ = 4079201280.

The previous prime is 8280779993. The next prime is 8280780029. The reversal of 8280780008 is 8000870828.

It can be written as a sum of positive squares in 4 ways, for example, as 7224660004 + 1056120004 = 84998^2 + 32498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179378 + ... + 220766.

Almost surely, 2^8280780008 is an apocalyptic number.

It is an amenable number.

8280780008 is a deficient number, since it is larger than the sum of its proper divisors (7476392992).

8280780008 is a wasteful number, since it uses less digits than its factorization.

8280780008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41765 (or 41761 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 8280780008 is about 90998.7912447193. The cubic root of 8280780008 is about 2023.1298087917.

The spelling of 8280780008 in words is "eight billion, two hundred eighty million, seven hundred eighty thousand, eight".