84854770056 has 96 divisors (see below), whose sum is σ = 262860998400. Its totient is φ = 24224348160.

The previous prime is 84854769953. The next prime is 84854770109. The reversal of 84854770056 is 65007745848.

84854770056 is a `hidden beast` number, since 8 + 48 + 547 + 7 + 0 + 0 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84854769984 and 84854770011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552040 + ... + 688808.

It is an arithmetic number, because the mean of its divisors is an integer number (2738135400).

Almost surely, 2^84854770056 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 84854770056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131430499200).

84854770056 is an abundant number, since it is smaller than the sum of its proper divisors (178006228344).

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

84854770056 is a wasteful number, since it uses less digits than its factorization.

84854770056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138019 (or 138012 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 84854770056 in words is "eighty-four billion, eight hundred fifty-four million, seven hundred seventy thousand, fifty-six".