685796716 has 24 divisors (see below), whose sum is σ = 1378157760. Its totient is φ = 295318800.

The previous prime is 685796701. The next prime is 685796719. The reversal of 685796716 is 617697586.

It is not an unprimeable number, because it can be changed into a prime (685796719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409330 + ... + 411001.

It is an arithmetic number, because the mean of its divisors is an integer number (57423240).

Almost surely, 2^685796716 is an apocalyptic number.

It is an amenable number.

685796716 is an abundant number, since it is smaller than the sum of its proper divisors (692361044).

685796716 is a wasteful number, since it uses less digits than its factorization.

685796716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820365 (or 820363 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 685796716 is about 26187.7207102871. The cubic root of 685796716 is about 881.8576100645.

The spelling of 685796716 in words is "six hundred eighty-five million, seven hundred ninety-six thousand, seven hundred sixteen".