8280688616 has 32 divisors (see below), whose sum is σ = 15690878280. Its totient is φ = 4096512000.

The previous prime is 8280688613. The next prime is 8280688649. The reversal of 8280688616 is 6168860828.

It can be written as a sum of positive squares in 4 ways, for example, as 8177584900 + 103103716 = 90430^2 + 10154^2 .

It is not an unprimeable number, because it can be changed into a prime (8280688613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627196 + ... + 1632276.

Almost surely, 2^8280688616 is an apocalyptic number.

It is an amenable number.

8280688616 is a deficient number, since it is larger than the sum of its proper divisors (7410189664).

8280688616 is a wasteful number, since it uses less digits than its factorization.

8280688616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205 (or 7201 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 8280688616 is about 90998.2890828174. The cubic root of 8280688616 is about 2023.1223659115.

The spelling of 8280688616 in words is "eight billion, two hundred eighty million, six hundred eighty-eight thousand, six hundred sixteen".