8343728487 has 16 divisors (see below), whose sum is σ = 12545575680. Its totient is φ = 5479462296.

The previous prime is 8343728483. The next prime is 8343728489. The reversal of 8343728487 is 7848273438.

8343728487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8343728487 - 2² = 8343728483 is a prime.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2304363 + ... + 2307980.

It is an arithmetic number, because the mean of its divisors is an integer number (784098480).

Almost surely, 2^8343728487 is an apocalyptic number.

8343728487 is a deficient number, since it is larger than the sum of its proper divisors (4201847193).

8343728487 is a wasteful number, since it uses less digits than its factorization.

8343728487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612419 (or 4612413 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 8343728487 is about 91344.0117741716. The cubic root of 8343728487 is about 2028.2433205653.

The spelling of 8343728487 in words is "eight billion, three hundred forty-three million, seven hundred twenty-eight thousand, four hundred eighty-seven".