84211821148 has 48 divisors (see below), whose sum is σ = 183934001664. Its totient is φ = 32845337280.

The previous prime is 84211821119. The next prime is 84211821157. The reversal of 84211821148 is 84112811248.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84211821148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603390 + ... + 1655077.

It is an arithmetic number, because the mean of its divisors is an integer number (3831958368).

Almost surely, 2^84211821148 is an apocalyptic number.

It is an amenable number.

84211821148 is an abundant number, since it is smaller than the sum of its proper divisors (99722180516).

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

84211821148 is a wasteful number, since it uses less digits than its factorization.

84211821148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258562 (or 3258560 counting only the distinct ones).

The product of its digits is 32768, while the sum is 40.

The spelling of 84211821148 in words is "eighty-four billion, two hundred eleven million, eight hundred twenty-one thousand, one hundred forty-eight".