2808697266 has 12 divisors (see below), whose sum is σ = 6085510782. Its totient is φ = 936232416.

The previous prime is 2808697261. The next prime is 2808697303. The reversal of 2808697266 is 6627968082.

2808697266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2343044025 + 465653241 = 48405^2 + 21579^2 .

It is not an unprimeable number, because it can be changed into a prime (2808697261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78019351 + ... + 78019386.

Almost surely, 2^2808697266 is an apocalyptic number.

2808697266 is an abundant number, since it is smaller than the sum of its proper divisors (3276813516).

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

2808697266 is a wasteful number, since it uses less digits than its factorization.

2808697266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156038745 (or 156038742 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 2808697266 is about 52997.1439419145. The cubic root of 2808697266 is about 1410.9175768808.

The spelling of 2808697266 in words is "two billion, eight hundred eight million, six hundred ninety-seven thousand, two hundred sixty-six".