847284798144 has 28 divisors (see below), whose sum is σ = 2241774362264. Its totient is φ = 282428265984.

The previous prime is 847284798091. The next prime is 847284798149. The reversal of 847284798144 is 441897482748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (847284798149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206470637 + ... + 2206471020.

Almost surely, 2^847284798144 is an apocalyptic number.

It is an amenable number.

847284798144 is an abundant number, since it is smaller than the sum of its proper divisors (1394489564120).

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

847284798144 is a wasteful number, since it uses less digits than its factorization.

847284798144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412941672 (or 4412941662 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 66.

The spelling of 847284798144 in words is "eight hundred forty-seven billion, two hundred eighty-four million, seven hundred ninety-eight thousand, one hundred forty-four".