285928886364 has 96 divisors (see below), whose sum is σ = 766522310400. Its totient is φ = 82042306560.

The previous prime is 285928886329. The next prime is 285928886377. The reversal of 285928886364 is 463688829582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4979932 + ... + 5037020.

It is an arithmetic number, because the mean of its divisors is an integer number (7984607400).

Almost surely, 2^285928886364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285928886364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383261155200).

285928886364 is an abundant number, since it is smaller than the sum of its proper divisors (480593424036).

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

285928886364 is a wasteful number, since it uses less digits than its factorization.

285928886364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59123 (or 59121 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 69.

The spelling of 285928886364 in words is "two hundred eighty-five billion, nine hundred twenty-eight million, eight hundred eighty-six thousand, three hundred sixty-four".