285675799 has 2 divisors, whose sum is σ = 285675800. Its totient is φ = 285675798.

The previous prime is 285675751. The next prime is 285675827. The reversal of 285675799 is 997576582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285675799 - 2⁹ = 285675287 is a prime.

It is a super-3 number, since 3×285675799³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285675899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142837899 + 142837900.

It is an arithmetic number, because the mean of its divisors is an integer number (142837900).

Almost surely, 2^285675799 is an apocalyptic number.

285675799 is a deficient number, since it is larger than the sum of its proper divisors (1).

285675799 is an equidigital number, since it uses as much as digits as its factorization.

285675799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 58.

The square root of 285675799 is about 16901.9466038679. The cubic root of 285675799 is about 658.6041812563.

The spelling of 285675799 in words is "two hundred eighty-five million, six hundred seventy-five thousand, seven hundred ninety-nine".