8354221854720 has 832 divisors, whose sum is σ = 31716956920320. Its totient is φ = 1837004488704.

The previous prime is 8354221854683. The next prime is 8354221854757. The reversal of 8354221854720 is 274581224538.

It is an interprime number because it is at equal distance from previous prime (8354221854683) and next prime (8354221854757).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3953724384 + ... + 3953726496.

Almost surely, 2^{8354221854720} is an apocalyptic number.

8354221854720 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 8354221854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15858478460160).

8354221854720 is an abundant number, since it is smaller than the sum of its proper divisors (23362735065600).

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

8354221854720 is a wasteful number, since it uses less digits than its factorization.

8354221854720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 8354221854720 in words is "eight trillion, three hundred fifty-four billion, two hundred twenty-one million, eight hundred fifty-four thousand, seven hundred twenty".