686303671 has 8 divisors (see below), whose sum is σ = 693805824. Its totient is φ = 678821880.

The previous prime is 686303669. The next prime is 686303707. The reversal of 686303671 is 176303686.

686303671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 686303671 - 2¹ = 686303669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686313671) 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, 68386 + ... + 77776.

It is an arithmetic number, because the mean of its divisors is an integer number (86725728).

Almost surely, 2^686303671 is an apocalyptic number.

686303671 is a deficient number, since it is larger than the sum of its proper divisors (7502153).

686303671 is a wasteful number, since it uses less digits than its factorization.

686303671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 686303671 is about 26197.3981723376. The cubic root of 686303671 is about 882.0748522882.

The spelling of 686303671 in words is "six hundred eighty-six million, three hundred three thousand, six hundred seventy-one".