2798479823 has 2 divisors, whose sum is σ = 2798479824. Its totient is φ = 2798479822.

The previous prime is 2798479763. The next prime is 2798479889. The reversal of 2798479823 is 3289748972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2798479823 - 2²⁶ = 2731370959 is a prime.

It is a super-2 number, since 2×2798479823² = 15662978639476222658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798479223) 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 as a sum of consecutive naturals, namely, 1399239911 + 1399239912.

It is an arithmetic number, because the mean of its divisors is an integer number (1399239912).

Almost surely, 2^2798479823 is an apocalyptic number.

2798479823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798479823 is an equidigital number, since it uses as much as digits as its factorization.

2798479823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 59.

The square root of 2798479823 is about 52900.6599486245. The cubic root of 2798479823 is about 1409.2046254410.

The spelling of 2798479823 in words is "two billion, seven hundred ninety-eight million, four hundred seventy-nine thousand, eight hundred twenty-three".