8343308772 has 60 divisors (see below), whose sum is σ = 21901021296. Its totient is φ = 2781076680.

The previous prime is 8343308749. The next prime is 8343308797. The reversal of 8343308772 is 2778033438.

It is a super-2 number, since 2×8343308772² (a number of 21 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 25747 + ... + 131717.

Almost surely, 2^8343308772 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 8343308772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10950510648).

8343308772 is an abundant number, since it is smaller than the sum of its proper divisors (13557712524).

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

8343308772 is an equidigital number, since it uses as much as digits as its factorization.

8343308772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106002 (or 105976 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 8343308772 is about 91341.7143040353. The cubic root of 8343308772 is about 2028.2093110526.

The spelling of 8343308772 in words is "eight billion, three hundred forty-three million, three hundred eight thousand, seven hundred seventy-two".