84933887850 has 288 divisors, whose sum is σ = 288269228160. Its totient is φ = 18271249920.

The previous prime is 84933887849. The next prime is 84933887851. The reversal of 84933887850 is 5878833948.

It is an interprime number because it is at equal distance from previous prime (84933887849) and next prime (84933887851).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (84933887851) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 1086787 + ... + 1162313.

It is an arithmetic number, because the mean of its divisors is an integer number (1000934820).

Almost surely, 2^84933887850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84933887850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144134614080).

84933887850 is an abundant number, since it is smaller than the sum of its proper divisors (203335340310).

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

84933887850 is a wasteful number, since it uses less digits than its factorization.

84933887850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75579 (or 75561 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 84933887850 in words is "eighty-four billion, nine hundred thirty-three million, eight hundred eighty-seven thousand, eight hundred fifty".