685328716 has 6 divisors (see below), whose sum is σ = 1199325260. Its totient is φ = 342664356.

The previous prime is 685328669. The next prime is 685328741. The reversal of 685328716 is 617823586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85666086 + ... + 85666093.

Almost surely, 2^685328716 is an apocalyptic number.

It is an amenable number.

685328716 is a deficient number, since it is larger than the sum of its proper divisors (513996544).

685328716 is a wasteful number, since it uses less digits than its factorization.

685328716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171332183 (or 171332181 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 685328716 is about 26178.7836997825. The cubic root of 685328716 is about 881.6569659244.

The spelling of 685328716 in words is "six hundred eighty-five million, three hundred twenty-eight thousand, seven hundred sixteen".