8345763684 has 18 divisors (see below), whose sum is σ = 21096236070. Its totient is φ = 2781921216.

The previous prime is 8345763659. The next prime is 8345763719. The reversal of 8345763684 is 4863675438.

8345763684 is a `hidden beast` number, since 8 + 3 + 4 + 576 + 3 + 68 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8317440000 + 28323684 = 91200^2 + 5322^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8345763684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115913349 + ... + 115913420.

It is an arithmetic number, because the mean of its divisors is an integer number (1172013115).

Almost surely, 2^8345763684 is an apocalyptic number.

It is an amenable number.

8345763684 is an abundant number, since it is smaller than the sum of its proper divisors (12750472386).

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

8345763684 is a wasteful number, since it uses less digits than its factorization.

8345763684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231826779 (or 231826774 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The square root of 8345763684 is about 91355.1513818460. The cubic root of 8345763684 is about 2028.4082164369.

The spelling of 8345763684 in words is "eight billion, three hundred forty-five million, seven hundred sixty-three thousand, six hundred eighty-four".