285116752 has 20 divisors (see below), whose sum is σ = 552878676. Its totient is φ = 142438400.

The previous prime is 285116743. The next prime is 285116771. The reversal of 285116752 is 257611582.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 282374416 = 1656^2 + 16804^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13968 + ... + 27664.

Almost surely, 2^285116752 is an apocalyptic number.

It is an amenable number.

285116752 is a deficient number, since it is larger than the sum of its proper divisors (267761924).

285116752 is a wasteful number, since it uses less digits than its factorization.

285116752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006 (or 15000 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 285116752 is about 16885.4005578784. The cubic root of 285116752 is about 658.1742870327.

The spelling of 285116752 in words is "two hundred eighty-five million, one hundred sixteen thousand, seven hundred fifty-two".