285874034784 has 144 divisors (see below), whose sum is σ = 829875497472. Its totient is φ = 86089496064.

The previous prime is 285874034777. The next prime is 285874034801. The reversal of 285874034784 is 487430478582.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 575077 + ... + 949979.

It is an arithmetic number, because the mean of its divisors is an integer number (5763024288).

Almost surely, 2^285874034784 is an apocalyptic number.

285874034784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285874034784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414937748736).

285874034784 is an abundant number, since it is smaller than the sum of its proper divisors (544001462688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285874034784 is a wasteful number, since it uses less digits than its factorization.

285874034784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374989 (or 374968 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 60.

The spelling of 285874034784 in words is "two hundred eighty-five billion, eight hundred seventy-four million, thirty-four thousand, seven hundred eighty-four".