2808838233 has 6 divisors (see below), whose sum is σ = 4057210794. Its totient is φ = 1872558816.

The previous prime is 2808838231. The next prime is 2808838259. The reversal of 2808838233 is 3328388082.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2805609024 + 3229209 = 52968^2 + 1797^2 .

It is not a de Polignac number, because 2808838233 - 2¹ = 2808838231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2808838231) 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, 156046560 + ... + 156046577.

It is an arithmetic number, because the mean of its divisors is an integer number (676201799).

Almost surely, 2^2808838233 is an apocalyptic number.

It is an amenable number.

2808838233 is a deficient number, since it is larger than the sum of its proper divisors (1248372561).

2808838233 is a wasteful number, since it uses less digits than its factorization.

2808838233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312093143 (or 312093140 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2808838233 is about 52998.4738742542. The cubic root of 2808838233 is about 1410.9411808832.

The spelling of 2808838233 in words is "two billion, eight hundred eight million, eight hundred thirty-eight thousand, two hundred thirty-three".