9884949722466 has 256 divisors, whose sum is σ = 25852212019200. Its totient is φ = 2450130508800.

The previous prime is 9884949722419. The next prime is 9884949722519. The reversal of 9884949722466 is 6642279494889.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 9884949722391 and 9884949722400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 81505800 + ... + 81626988.

It is an arithmetic number, because the mean of its divisors is an integer number (100985203200).

Almost surely, 2^{9884949722466} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9884949722466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12926106009600).

9884949722466 is an abundant number, since it is smaller than the sum of its proper divisors (15967262296734).

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

9884949722466 is a wasteful number, since it uses less digits than its factorization.

9884949722466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121385.

The product of its digits is 3009871872, while the sum is 78.

The spelling of 9884949722466 in words is "nine trillion, eight hundred eighty-four billion, nine hundred forty-nine million, seven hundred twenty-two thousand, four hundred sixty-six".