2104675879 has 4 divisors (see below), whose sum is σ = 2107785384. Its totient is φ = 2101566376.

The previous prime is 2104675801. The next prime is 2104675889. The reversal of 2104675879 is 9785764012.

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 2104675879 - 2¹⁷ = 2104544807 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104675889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553737 + ... + 1555090.

It is an arithmetic number, because the mean of its divisors is an integer number (526946346).

Almost surely, 2^2104675879 is an apocalyptic number.

2104675879 is a deficient number, since it is larger than the sum of its proper divisors (3109505).

2104675879 is an equidigital number, since it uses as much as digits as its factorization.

2104675879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109504.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 2104675879 is about 45876.7466043528. The cubic root of 2104675879 is about 1281.5289101505.

The spelling of 2104675879 in words is "two billion, one hundred four million, six hundred seventy-five thousand, eight hundred seventy-nine".