2798804089 has 2 divisors, whose sum is σ = 2798804090. Its totient is φ = 2798804088.

The previous prime is 2798804017. The next prime is 2798804119. The reversal of 2798804089 is 9804088972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2792594025 + 6210064 = 52845^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798804089 - 2⁹ = 2798803577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2798844089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399402044 + 1399402045.

It is an arithmetic number, because the mean of its divisors is an integer number (1399402045).

Almost surely, 2^2798804089 is an apocalyptic number.

It is an amenable number.

2798804089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798804089 is an equidigital number, since it uses as much as digits as its factorization.

2798804089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 2798804089 is about 52903.7247176416. The cubic root of 2798804089 is about 1409.2590525499.

The spelling of 2798804089 in words is "two billion, seven hundred ninety-eight million, eight hundred four thousand, eighty-nine".