8431345927684 has 9 divisors (see below), whose sum is σ = 14754865536327. Its totient is φ = 4215670060164.

The previous prime is 8431345927673. The next prime is 8431345927747. The reversal of 8431345927684 is 4867295431348.

The square root of 8431345927684 is 2903678.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 5081437 + ... + 6533275.

Almost surely, 2^{8431345927684} is an apocalyptic number.

8431345927684 is the 2903678-th square number.

It is an amenable number.

8431345927684 is a deficient number, since it is larger than the sum of its proper divisors (6323519608643).

8431345927684 is an frugal number, since it uses more digits than its factorization.

8431345927684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903682 (or 1451841 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 64.

Multiplying 8431345927684 by its sum of digits (64), we get a square (539606139371776 = 23229424²).

The spelling of 8431345927684 in words is "eight trillion, four hundred thirty-one billion, three hundred forty-five million, nine hundred twenty-seven thousand, six hundred eighty-four".