847388872 has 16 divisors (see below), whose sum is σ = 1733295600. Its totient is φ = 385176720.

The previous prime is 847388863. The next prime is 847388873. The reversal of 847388872 is 278883748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (847388873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814622 + ... + 4814797.

It is an arithmetic number, because the mean of its divisors is an integer number (108330975).

Almost surely, 2^847388872 is an apocalyptic number.

It is an amenable number.

847388872 is an abundant number, since it is smaller than the sum of its proper divisors (885906728).

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

847388872 is a wasteful number, since it uses less digits than its factorization.

847388872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629436 (or 9629432 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 55.

The square root of 847388872 is about 29109.9445550829. The cubic root of 847388872 is about 946.2972663309.

The spelling of 847388872 in words is "eight hundred forty-seven million, three hundred eighty-eight thousand, eight hundred seventy-two".