28950007 has 2 divisors, whose sum is σ = 28950008. Its totient is φ = 28950006.

The previous prime is 28949971. The next prime is 28950013. The reversal of 28950007 is 70005982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28950007 - 2¹¹ = 28947959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28950067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14475003 + 14475004.

It is an arithmetic number, because the mean of its divisors is an integer number (14475004).

Almost surely, 2^28950007 is an apocalyptic number.

28950007 is a deficient number, since it is larger than the sum of its proper divisors (1).

28950007 is an equidigital number, since it uses as much as digits as its factorization.

28950007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 28950007 is about 5380.5210714205. The cubic root of 28950007 is about 307.0550358100.

Adding to 28950007 its reverse (70005982), we get a palindrome (98955989).

The spelling of 28950007 in words is "twenty-eight million, nine hundred fifty thousand, seven".