8342543808 has 336 divisors, whose sum is σ = 26281172736. Its totient is φ = 2618542080.

The previous prime is 8342543801. The next prime is 8342543819. The reversal of 8342543808 is 8083452438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342543801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29688628 + ... + 29688908.

It is an arithmetic number, because the mean of its divisors is an integer number (78217776).

Almost surely, 2^8342543808 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 8342543808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13140586368).

8342543808 is an abundant number, since it is smaller than the sum of its proper divisors (17938628928).

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

8342543808 is a wasteful number, since it uses less digits than its factorization.

8342543808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 8342543808 is about 91337.5268331697. The cubic root of 8342543808 is about 2028.1473230744.

The spelling of 8342543808 in words is "eight billion, three hundred forty-two million, five hundred forty-three thousand, eight hundred eight".