28080007 has 2 divisors, whose sum is σ = 28080008. Its totient is φ = 28080006.

The previous prime is 28080001. The next prime is 28080023. The reversal of 28080007 is 70008082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28080007 - 2³ = 28079999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28080001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040003 + 14040004.

It is an arithmetic number, because the mean of its divisors is an integer number (14040004).

Almost surely, 2^28080007 is an apocalyptic number.

28080007 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080007 is an equidigital number, since it uses as much as digits as its factorization.

28080007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 28080007 is about 5299.0571802916. The cubic root of 28080007 is about 303.9478464029.

Adding to 28080007 its reverse (70008082), we get a palindrome (98088089).

The spelling of 28080007 in words is "twenty-eight million, eighty thousand, seven".