2798110999 has 4 divisors (see below), whose sum is σ = 2801376864. Its totient is φ = 2794845136.

The previous prime is 2798110993. The next prime is 2798111003. The reversal of 2798110999 is 9990118972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2798110999 - 2¹³ = 2798102807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798110993) 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 in 3 ways as a sum of consecutive naturals, for example, 1631647 + ... + 1633360.

It is an arithmetic number, because the mean of its divisors is an integer number (700344216).

Almost surely, 2^2798110999 is an apocalyptic number.

2798110999 is a deficient number, since it is larger than the sum of its proper divisors (3265865).

2798110999 is an equidigital number, since it uses as much as digits as its factorization.

2798110999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265864.

The product of its (nonzero) digits is 734832, while the sum is 55.

The square root of 2798110999 is about 52897.1738280978. The cubic root of 2798110999 is about 1409.1427142899.

The spelling of 2798110999 in words is "two billion, seven hundred ninety-eight million, one hundred ten thousand, nine hundred ninety-nine".