847228812 has 24 divisors (see below), whose sum is σ = 2030297136. Its totient is φ = 274776768.

The previous prime is 847228807. The next prime is 847228831. The reversal of 847228812 is 218822748.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953643 + ... + 954530.

It is an arithmetic number, because the mean of its divisors is an integer number (84595714).

Almost surely, 2^847228812 is an apocalyptic number.

It is an amenable number.

847228812 is an abundant number, since it is smaller than the sum of its proper divisors (1183068324).

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

847228812 is a wasteful number, since it uses less digits than its factorization.

847228812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908217 (or 1908215 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 847228812 is about 29107.1951929416. The cubic root of 847228812 is about 946.2376817714.

The spelling of 847228812 in words is "eight hundred forty-seven million, two hundred twenty-eight thousand, eight hundred twelve".