285708812928 has 512 divisors, whose sum is σ = 988796160000. Its totient is φ = 70920192000.

The previous prime is 285708812887. The next prime is 285708812959. The reversal of 285708812928 is 829218807582.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 86603023 + ... + 86606321.

It is an arithmetic number, because the mean of its divisors is an integer number (1931242500).

Almost surely, 2^285708812928 is an apocalyptic number.

285708812928 is a gapful number since it is divisible by the number (28) 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 285708812928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494398080000).

285708812928 is an abundant number, since it is smaller than the sum of its proper divisors (703087347072).

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

285708812928 is a wasteful number, since it uses less digits than its factorization.

285708812928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 60.

The spelling of 285708812928 in words is "two hundred eighty-five billion, seven hundred eight million, eight hundred twelve thousand, nine hundred twenty-eight".