28841773 has 2 divisors, whose sum is σ = 28841774. Its totient is φ = 28841772.

The previous prime is 28841767. The next prime is 28841779. The reversal of 28841773 is 37714882.

It is a balanced prime because it is at equal distance from previous prime (28841767) and next prime (28841779).

It can be written as a sum of positive squares in only one way, i.e., 15896169 + 12945604 = 3987^2 + 3598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28841773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28841779) 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, 14420886 + 14420887.

It is an arithmetic number, because the mean of its divisors is an integer number (14420887).

Almost surely, 2^28841773 is an apocalyptic number.

It is an amenable number.

28841773 is a deficient number, since it is larger than the sum of its proper divisors (1).

28841773 is an equidigital number, since it uses as much as digits as its factorization.

28841773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 28841773 is about 5370.4537052283. The cubic root of 28841773 is about 306.6719006406.

The spelling of 28841773 in words is "twenty-eight million, eight hundred forty-one thousand, seven hundred seventy-three".