84554711844 has 48 divisors (see below), whose sum is σ = 199720371648. Its totient is φ = 27838493568.

The previous prime is 84554711833. The next prime is 84554711887. The reversal of 84554711844 is 44811745548.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 5527134 + ... + 5542410.

It is an arithmetic number, because the mean of its divisors is an integer number (4160841076).

Almost surely, 2^84554711844 is an apocalyptic number.

It is an amenable number.

84554711844 is an abundant number, since it is smaller than the sum of its proper divisors (115165659804).

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

84554711844 is a wasteful number, since it uses less digits than its factorization.

84554711844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924 (or 20922 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 51.

The spelling of 84554711844 in words is "eighty-four billion, five hundred fifty-four million, seven hundred eleven thousand, eight hundred forty-four".