2808666338 has 16 divisors (see below), whose sum is σ = 4234464000. Its totient is φ = 1397189472.

The previous prime is 2808666319. The next prime is 2808666349. The reversal of 2808666338 is 8336668082.

2808666338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 743318 + ... + 747086.

It is an arithmetic number, because the mean of its divisors is an integer number (264654000).

Almost surely, 2^2808666338 is an apocalyptic number.

2808666338 is a deficient number, since it is larger than the sum of its proper divisors (1425797662).

2808666338 is a wasteful number, since it uses less digits than its factorization.

2808666338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2808666338 is about 52996.8521518024. The cubic root of 2808666338 is about 1410.9123980838.

The spelling of 2808666338 in words is "two billion, eight hundred eight million, six hundred sixty-six thousand, three hundred thirty-eight".