84041965020 has 192 divisors, whose sum is σ = 260923936896. Its totient is φ = 20077424640.

The previous prime is 84041964973. The next prime is 84041965037. The reversal of 84041965020 is 2056914048.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 84041965020.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 12146602 + ... + 12153518.

It is an arithmetic number, because the mean of its divisors is an integer number (1358978838).

Almost surely, 2^84041965020 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 84041965020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130461968448).

84041965020 is an abundant number, since it is smaller than the sum of its proper divisors (176881971876).

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

84041965020 is a wasteful number, since it uses less digits than its factorization.

84041965020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400 (or 7398 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 84041965020 in words is "eighty-four billion, forty-one million, nine hundred sixty-five thousand, twenty".