847672320 has 352 divisors, whose sum is σ = 3077377920. Its totient is φ = 197263360.

The previous prime is 847672313. The next prime is 847672363. The reversal of 847672320 is 23276748.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4899754 + ... + 4899926.

Almost surely, 2^847672320 is an apocalyptic number.

847672320 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 847672320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538688960).

847672320 is an abundant number, since it is smaller than the sum of its proper divisors (2229705600).

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

847672320 is a wasteful number, since it uses less digits than its factorization.

847672320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 847672320 is about 29114.8127247970. The cubic root of 847672320 is about 946.4027653822.

The spelling of 847672320 in words is "eight hundred forty-seven million, six hundred seventy-two thousand, three hundred twenty".