8343728488 has 8 divisors (see below), whose sum is σ = 15644490930. Its totient is φ = 4171864240.

The previous prime is 8343728483. The next prime is 8343728489. The reversal of 8343728488 is 8848273438.

It can be written as a sum of positive squares in only one way, i.e., 7076510884 + 1267217604 = 84122^2 + 35598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8343728488² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8343728483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521483023 + ... + 521483038.

Almost surely, 2^8343728488 is an apocalyptic number.

It is an amenable number.

8343728488 is a deficient number, since it is larger than the sum of its proper divisors (7300762442).

8343728488 is a wasteful number, since it uses less digits than its factorization.

8343728488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042966067 (or 1042966063 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 55.

The square root of 8343728488 is about 91344.0117796454. The cubic root of 8343728488 is about 2028.2433206463.

The spelling of 8343728488 in words is "eight billion, three hundred forty-three million, seven hundred twenty-eight thousand, four hundred eighty-eight".