2828779 has 2 divisors, whose sum is σ = 2828780. Its totient is φ = 2828778.

The previous prime is 2828767. The next prime is 2828797. The reversal of 2828779 is 9778282.

Together with next prime (2828797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2828779 - 2¹⁵ = 2796011 is a prime.

2828779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2828179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414389 + 1414390.

It is an arithmetic number, because the mean of its divisors is an integer number (1414390).

2^2828779 is an apocalyptic number.

2828779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828779 is an equidigital number, since it uses as much as digits as its factorization.

2828779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 2828779 is about 1681.8974403928. The cubic root of 2828779 is about 141.4272205817.

The spelling of 2828779 in words is "two million, eight hundred twenty-eight thousand, seven hundred seventy-nine".