28084079 has 2 divisors, whose sum is σ = 28084080. Its totient is φ = 28084078.

The previous prime is 28084061. The next prime is 28084087. The reversal of 28084079 is 97048082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28084079 is a prime.

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 (28084019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14042039 + 14042040.

It is an arithmetic number, because the mean of its divisors is an integer number (14042040).

Almost surely, 2^28084079 is an apocalyptic number.

28084079 is a deficient number, since it is larger than the sum of its proper divisors (1).

28084079 is an equidigital number, since it uses as much as digits as its factorization.

28084079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 28084079 is about 5299.4413856557. The cubic root of 28084079 is about 303.9625379449.

The spelling of 28084079 in words is "twenty-eight million, eighty-four thousand, seventy-nine".