285028816612 has 24 divisors (see below), whose sum is σ = 525351790656. Its totient is φ = 135044123808.

The previous prime is 285028816603. The next prime is 285028816663. The reversal of 285028816612 is 216618820582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14467443 + ... + 14487130.

It is an arithmetic number, because the mean of its divisors is an integer number (21889657944).

Almost surely, 2^285028816612 is an apocalyptic number.

It is an amenable number.

285028816612 is a deficient number, since it is larger than the sum of its proper divisors (240322974044).

285028816612 is a wasteful number, since it uses less digits than its factorization.

285028816612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28954707 (or 28954705 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 285028816612 in words is "two hundred eighty-five billion, twenty-eight million, eight hundred sixteen thousand, six hundred twelve".