847274829720 has 512 divisors, whose sum is σ = 2903256760320. Its totient is φ = 197588160000.

The previous prime is 847274829707. The next prime is 847274829721. The reversal of 847274829720 is 27928472748.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847274829721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1044728115 + ... + 1044728925.

It is an arithmetic number, because the mean of its divisors is an integer number (5670423360).

Almost surely, 2^847274829720 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 847274829720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451628380160).

847274829720 is an abundant number, since it is smaller than the sum of its proper divisors (2055981930600).

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

847274829720 is a wasteful number, since it uses less digits than its factorization.

847274829720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 847274829720 in words is "eight hundred forty-seven billion, two hundred seventy-four million, eight hundred twenty-nine thousand, seven hundred twenty".