28000703 has 2 divisors, whose sum is σ = 28000704. Its totient is φ = 28000702.

The previous prime is 28000691. The next prime is 28000733. The reversal of 28000703 is 30700082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28000703 - 2²² = 23806399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28000733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14000351 + 14000352.

It is an arithmetic number, because the mean of its divisors is an integer number (14000352).

Almost surely, 2^28000703 is an apocalyptic number.

28000703 is a deficient number, since it is larger than the sum of its proper divisors (1).

28000703 is an equidigital number, since it uses as much as digits as its factorization.

28000703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 28000703 is about 5291.5690489684. The cubic root of 28000703 is about 303.6614385021.

Adding to 28000703 its reverse (30700082), we get a palindrome (58700785).

The spelling of 28000703 in words is "twenty-eight million, seven hundred three", and thus it is an aban number.