84894178350 has 192 divisors, whose sum is σ = 228922848000. Its totient is φ = 20751344640.

The previous prime is 84894178333. The next prime is 84894178351. The reversal of 84894178350 is 5387149848.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84894178351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11022801 + ... + 11030499.

It is an arithmetic number, because the mean of its divisors is an integer number (1192306500).

Almost surely, 2^84894178350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84894178350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114461424000).

84894178350 is an abundant number, since it is smaller than the sum of its proper divisors (144028669650).

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

84894178350 is a wasteful number, since it uses less digits than its factorization.

84894178350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859 (or 7854 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 84894178350 in words is "eighty-four billion, eight hundred ninety-four million, one hundred seventy-eight thousand, three hundred fifty".