2598779 has 2 divisors, whose sum is σ = 2598780. Its totient is φ = 2598778.

The previous prime is 2598767. The next prime is 2598811. The reversal of 2598779 is 9778952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2598779 - 2⁸ = 2598523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2598179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299389 + 1299390.

It is an arithmetic number, because the mean of its divisors is an integer number (1299390).

2^2598779 is an apocalyptic number.

2598779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598779 is an equidigital number, since it uses as much as digits as its factorization.

2598779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 47.

The square root of 2598779 is about 1612.0728891710. The cubic root of 2598779 is about 137.4853582205.

The spelling of 2598779 in words is "two million, five hundred ninety-eight thousand, seven hundred seventy-nine".