84044937816 has 192 divisors, whose sum is σ = 272137320000. Its totient is φ = 22923952128.

The previous prime is 84044937811. The next prime is 84044937817. The reversal of 84044937816 is 61873944048.

84044937816 is a `hidden beast` number, since 84 + 0 + 4 + 493 + 78 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84044937811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1268520 + ... + 1333128.

It is an arithmetic number, because the mean of its divisors is an integer number (1417381875).

Almost surely, 2^84044937816 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 84044937816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136068660000).

84044937816 is an abundant number, since it is smaller than the sum of its proper divisors (188092382184).

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

84044937816 is a wasteful number, since it uses less digits than its factorization.

84044937816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64746 (or 64739 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 84044937816 in words is "eighty-four billion, forty-four million, nine hundred thirty-seven thousand, eight hundred sixteen".