284272249856 has 88 divisors (see below), whose sum is σ = 670398329856. Its totient is φ = 117900840960.

The previous prime is 284272249853. The next prime is 284272249871. The reversal of 284272249856 is 658942272482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 284272249795 and 284272249804.

It is not an unprimeable number, because it can be changed into a prime (284272249853) 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, 417446 + ... + 861861.

Almost surely, 2^284272249856 is an apocalyptic number.

It is an amenable number.

284272249856 is an abundant number, since it is smaller than the sum of its proper divisors (386126080000).

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

284272249856 is a wasteful number, since it uses less digits than its factorization.

284272249856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279365 (or 1279347 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 284272249856 in words is "two hundred eighty-four billion, two hundred seventy-two million, two hundred forty-nine thousand, eight hundred fifty-six".