284804805912 has 32 divisors (see below), whose sum is σ = 776740380480. Its totient is φ = 86304486560.

The previous prime is 284804805907. The next prime is 284804805917. The reversal of 284804805912 is 219508408482.

It is an interprime number because it is at equal distance from previous prime (284804805907) and next prime (284804805917).

It is a super-2 number, since 2×284804805912² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284804805917) by changing a digit.

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, 539402778 + ... + 539403305.

It is an arithmetic number, because the mean of its divisors is an integer number (24273136890).

Almost surely, 2^284804805912 is an apocalyptic number.

284804805912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

284804805912 is an abundant number, since it is smaller than the sum of its proper divisors (491935574568).

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

284804805912 is a wasteful number, since it uses less digits than its factorization.

284804805912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078806103 (or 1078806099 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 284804805912 in words is "two hundred eighty-four billion, eight hundred four million, eight hundred five thousand, nine hundred twelve".