8198543700 has 324 divisors, whose sum is σ = 27902172480. Its totient is φ = 2007072000.

The previous prime is 8198543699. The next prime is 8198543753. The reversal of 8198543700 is 73458918.

It is a super-2 number, since 2×8198543700² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 81173650 + ... + 81173750.

Almost surely, 2^8198543700 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 8198543700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13951086240).

8198543700 is an abundant number, since it is smaller than the sum of its proper divisors (19703628780).

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

8198543700 is a wasteful number, since it uses less digits than its factorization.

8198543700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 8198543700 is about 90545.8099527526. The cubic root of 8198543700 is about 2016.4102912331.

The spelling of 8198543700 in words is "eight billion, one hundred ninety-eight million, five hundred forty-three thousand, seven hundred".