8354611980 has 432 divisors, whose sum is σ = 31597544160. Its totient is φ = 1770024960.

The previous prime is 8354611957. The next prime is 8354612011. The reversal of 8354611980 is 891164538.

8354611980 is a `hidden beast` number, since 8 + 3 + 546 + 11 + 98 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 5378884 + ... + 5380436.

Almost surely, 2^8354611980 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 8354611980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15798772080).

8354611980 is an abundant number, since it is smaller than the sum of its proper divisors (23242932180).

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

8354611980 is a wasteful number, since it uses less digits than its factorization.

8354611980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8354611980 is about 91403.5665606108. The cubic root of 8354611980 is about 2029.1248122184.

The spelling of 8354611980 in words is "eight billion, three hundred fifty-four million, six hundred eleven thousand, nine hundred eighty".