686000965207 has 4 divisors (see below), whose sum is σ = 688609334160. Its totient is φ = 683392596256.

The previous prime is 686000965163. The next prime is 686000965211. The reversal of 686000965207 is 702569000686.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 686000965207 - 2⁷ = 686000965079 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 (686000965907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304184082 + ... + 1304184607.

It is an arithmetic number, because the mean of its divisors is an integer number (172152333540).

Almost surely, 2^686000965207 is an apocalyptic number.

686000965207 is a deficient number, since it is larger than the sum of its proper divisors (2608368953).

686000965207 is a wasteful number, since it uses less digits than its factorization.

686000965207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608368952.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 686000965207 in words is "six hundred eighty-six billion, nine hundred sixty-five thousand, two hundred seven".