28467773 has 2 divisors, whose sum is σ = 28467774. Its totient is φ = 28467772.

The previous prime is 28467743. The next prime is 28467779. The reversal of 28467773 is 37776482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 2630884 = 5083^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 28467773 - 2⁶ = 28467709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28467779) 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, 14233886 + 14233887.

It is an arithmetic number, because the mean of its divisors is an integer number (14233887).

Almost surely, 2^28467773 is an apocalyptic number.

It is an amenable number.

28467773 is a deficient number, since it is larger than the sum of its proper divisors (1).

28467773 is an equidigital number, since it uses as much as digits as its factorization.

28467773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 44.

The square root of 28467773 is about 5335.5199371758. The cubic root of 28467773 is about 305.3405601994.

The spelling of 28467773 in words is "twenty-eight million, four hundred sixty-seven thousand, seven hundred seventy-three".