847697350920 has 256 divisors, whose sum is σ = 2965258160640. Its totient is φ = 189844881408.

The previous prime is 847697350873. The next prime is 847697350961. The reversal of 847697350920 is 29053796748.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33689064 + ... + 33714216.

It is an arithmetic number, because the mean of its divisors is an integer number (11583039690).

Almost surely, 2^847697350920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847697350920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482629080320).

847697350920 is an abundant number, since it is smaller than the sum of its proper divisors (2117560809720).

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

847697350920 is a wasteful number, since it uses less digits than its factorization.

847697350920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25984 (or 25980 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 847697350920 in words is "eight hundred forty-seven billion, six hundred ninety-seven million, three hundred fifty thousand, nine hundred twenty".