84087911880000 has 1680 divisors, whose sum is σ = 354837712285056. Its totient is φ = 18632540160000.

The previous prime is 84087911879963. The next prime is 84087911880059. The reversal of 84087911880000 is 8811978048.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 16841157504 + ... + 16841162496.

Almost surely, 2^{84087911880000} is an apocalyptic number.

84087911880000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84087911880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177418856142528).

84087911880000 is an abundant number, since it is smaller than the sum of its proper divisors (270749800405056).

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

84087911880000 is a wasteful number, since it uses less digits than its factorization.

84087911880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 84087911880000 in words is "eighty-four trillion, eighty-seven billion, nine hundred eleven million, eight hundred eighty thousand".