285928427 has 2 divisors, whose sum is σ = 285928428. Its totient is φ = 285928426.

The previous prime is 285928403. The next prime is 285928451. The reversal of 285928427 is 724829582.

It is a balanced prime because it is at equal distance from previous prime (285928403) and next prime (285928451).

It is a cyclic number.

It is not a de Polignac number, because 285928427 - 2⁸ = 285928171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (285928127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142964213 + 142964214.

It is an arithmetic number, because the mean of its divisors is an integer number (142964214).

Almost surely, 2^285928427 is an apocalyptic number.

285928427 is a deficient number, since it is larger than the sum of its proper divisors (1).

285928427 is an equidigital number, since it uses as much as digits as its factorization.

285928427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 285928427 is about 16909.4182927740. The cubic root of 285928427 is about 658.7982623755.

The spelling of 285928427 in words is "two hundred eighty-five million, nine hundred twenty-eight thousand, four hundred twenty-seven".