84848478456 has 128 divisors (see below), whose sum is σ = 256779694080. Its totient is φ = 22807934976.

The previous prime is 84848478401. The next prime is 84848478493. The reversal of 84848478456 is 65487484848.

It is a super-2 number, since 2×84848478456² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 13428610 + ... + 13434926.

It is an arithmetic number, because the mean of its divisors is an integer number (2006091360).

Almost surely, 2^84848478456 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 84848478456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128389847040).

84848478456 is an abundant number, since it is smaller than the sum of its proper divisors (171931215624).

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

84848478456 is a wasteful number, since it uses less digits than its factorization.

84848478456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053 (or 11049 counting only the distinct ones).

The product of its digits is 220200960, while the sum is 66.

The spelling of 84848478456 in words is "eighty-four billion, eight hundred forty-eight million, four hundred seventy-eight thousand, four hundred fifty-six".