284387355136 has 80 divisors (see below), whose sum is σ = 573994824480. Its totient is φ = 140750991360.

The previous prime is 284387355107. The next prime is 284387355137. The reversal of 284387355136 is 631553783482.

It is a super-2 number, since 2×284387355136² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (284387355137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79636231 + ... + 79639801.

It is an arithmetic number, because the mean of its divisors is an integer number (7174935306).

Almost surely, 2^284387355136 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 284387355136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286997412240).

284387355136 is an abundant number, since it is smaller than the sum of its proper divisors (289607469344).

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

284387355136 is a wasteful number, since it uses less digits than its factorization.

284387355136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5109 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 284387355136 in words is "two hundred eighty-four billion, three hundred eighty-seven million, three hundred fifty-five thousand, one hundred thirty-six".