84730949856 has 192 divisors, whose sum is σ = 283515724800. Its totient is φ = 24116341248.

The previous prime is 84730949813. The next prime is 84730949873. The reversal of 84730949856 is 65894903748.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 84730949793 and 84730949802.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1563990 + ... + 1617258.

It is an arithmetic number, because the mean of its divisors is an integer number (1476644400).

Almost surely, 2^84730949856 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 84730949856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141757862400).

84730949856 is an abundant number, since it is smaller than the sum of its proper divisors (198784774944).

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

84730949856 is a wasteful number, since it uses less digits than its factorization.

84730949856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53558 (or 53544 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 84730949856 in words is "eighty-four billion, seven hundred thirty million, nine hundred forty-nine thousand, eight hundred fifty-six".