28795447 has 2 divisors, whose sum is σ = 28795448. Its totient is φ = 28795446.

The previous prime is 28795427. The next prime is 28795453. The reversal of 28795447 is 74459782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28795447 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28795397 and 28795406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28795427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397723 + 14397724.

It is an arithmetic number, because the mean of its divisors is an integer number (14397724).

Almost surely, 2^28795447 is an apocalyptic number.

28795447 is a deficient number, since it is larger than the sum of its proper divisors (1).

28795447 is an equidigital number, since it uses as much as digits as its factorization.

28795447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 28795447 is about 5366.1389285034. The cubic root of 28795447 is about 306.5076192967.

The spelling of 28795447 in words is "twenty-eight million, seven hundred ninety-five thousand, four hundred forty-seven".