2604026879 has 4 divisors (see below), whose sum is σ = 2604349176. Its totient is φ = 2603704584.

The previous prime is 2604026851. The next prime is 2604026897. The reversal of 2604026879 is 9786204062.

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 2604026879 - 2²⁴ = 2587249663 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 (2604026819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148709 + ... + 165294.

It is an arithmetic number, because the mean of its divisors is an integer number (651087294).

Almost surely, 2^2604026879 is an apocalyptic number.

2604026879 is a deficient number, since it is larger than the sum of its proper divisors (322297).

2604026879 is an equidigital number, since it uses as much as digits as its factorization.

2604026879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322296.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2604026879 is about 51029.6666557798. Note that the first 4 decimals coincide. The cubic root of 2604026879 is about 1375.7784029346.

The spelling of 2604026879 in words is "two billion, six hundred four million, twenty-six thousand, eight hundred seventy-nine".