28795847 has 2 divisors, whose sum is σ = 28795848. Its totient is φ = 28795846.

The previous prime is 28795831. The next prime is 28795859. The reversal of 28795847 is 74859782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28795847 - 2⁴ = 28795831 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28795795 and 28795804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28795867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397923 + 14397924.

It is an arithmetic number, because the mean of its divisors is an integer number (14397924).

Almost surely, 2^28795847 is an apocalyptic number.

28795847 is a deficient number, since it is larger than the sum of its proper divisors (1).

28795847 is an equidigital number, since it uses as much as digits as its factorization.

28795847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 50.

The square root of 28795847 is about 5366.1761991198. The cubic root of 28795847 is about 306.5090385312.

The spelling of 28795847 in words is "twenty-eight million, seven hundred ninety-five thousand, eight hundred forty-seven".