847807680 has 112 divisors (see below), whose sum is σ = 2850184800. Its totient is φ = 212779008.

The previous prime is 847807673. The next prime is 847807691. The reversal of 847807680 is 86708748.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9655 + ... + 42294.

Almost surely, 2^847807680 is an apocalyptic number.

847807680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847807680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425092400).

847807680 is an abundant number, since it is smaller than the sum of its proper divisors (2002377120).

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

847807680 is a wasteful number, since it uses less digits than its factorization.

847807680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51986 (or 51976 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 847807680 is about 29117.1372219180. The cubic root of 847807680 is about 946.4531379366.

The spelling of 847807680 in words is "eight hundred forty-seven million, eight hundred seven thousand, six hundred eighty".