285500083 has 8 divisors (see below), whose sum is σ = 313038000. Its totient is φ = 258226080.

The previous prime is 285500077. The next prime is 285500093. The reversal of 285500083 is 380005582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285500083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285500053) 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 in 7 ways as a sum of consecutive naturals, for example, 63708 + ... + 68041.

It is an arithmetic number, because the mean of its divisors is an integer number (39129750).

Almost surely, 2^285500083 is an apocalyptic number.

285500083 is a deficient number, since it is larger than the sum of its proper divisors (27537917).

285500083 is a wasteful number, since it uses less digits than its factorization.

285500083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131957.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 285500083 is about 16896.7477048099. The cubic root of 285500083 is about 658.4691201972.

The spelling of 285500083 in words is "two hundred eighty-five million, five hundred thousand, eighty-three".