847679280 has 320 divisors, whose sum is σ = 3154083840. Its totient is φ = 184246272.

The previous prime is 847679257. The next prime is 847679293. The reversal of 847679280 is 82976748.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 6187372 + ... + 6187508.

It is an arithmetic number, because the mean of its divisors is an integer number (9856512).

Almost surely, 2^847679280 is an apocalyptic number.

847679280 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 847679280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577041920).

847679280 is an abundant number, since it is smaller than the sum of its proper divisors (2306404560).

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

847679280 is a wasteful number, since it uses less digits than its factorization.

847679280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 847679280 is about 29114.9322513380. The cubic root of 847679280 is about 946.4053555912.

The spelling of 847679280 in words is "eight hundred forty-seven million, six hundred seventy-nine thousand, two hundred eighty".