8343945792 has 252 divisors, whose sum is σ = 29962539516. Its totient is φ = 2200504320.

The previous prime is 8343945787. The next prime is 8343945811. The reversal of 8343945792 is 2975493438.

8343945792 is a `hidden beast` number, since 8 + 34 + 39 + 4 + 579 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 945193536 + 7398752256 = 30744^2 + 86016^2 .

It is a tau number, because it is divible by the number of its divisors (252).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 355542 + ... + 378282.

Almost surely, 2^8343945792 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 8343945792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14981269758).

8343945792 is an abundant number, since it is smaller than the sum of its proper divisors (21618593724).

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

8343945792 is a wasteful number, since it uses less digits than its factorization.

8343945792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22786 (or 22766 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 8343945792 is about 91345.2012532678. The cubic root of 8343945792 is about 2028.2609283445.

The spelling of 8343945792 in words is "eight billion, three hundred forty-three million, nine hundred forty-five thousand, seven hundred ninety-two".