28088843 has 2 divisors, whose sum is σ = 28088844. Its totient is φ = 28088842.

The previous prime is 28088839. The next prime is 28088861. The reversal of 28088843 is 34888082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28088843 - 2² = 28088839 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28088843.

It is not a weakly prime, because it can be changed into another prime (28088803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044421 + 14044422.

It is an arithmetic number, because the mean of its divisors is an integer number (14044422).

Almost surely, 2^28088843 is an apocalyptic number.

28088843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088843 is an equidigital number, since it uses as much as digits as its factorization.

28088843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 28088843 is about 5299.8908479326. The cubic root of 28088843 is about 303.9797243806.

The spelling of 28088843 in words is "twenty-eight million, eighty-eight thousand, eight hundred forty-three".