686053890307 has 8 divisors (see below), whose sum is σ = 703817510832. Its totient is φ = 668500490400.

The previous prime is 686053890289. The next prime is 686053890323. The reversal of 686053890307 is 703098350686.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-686053890307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (686053890377) 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, 52548544 + ... + 52561597.

It is an arithmetic number, because the mean of its divisors is an integer number (87977188854).

Almost surely, 2^686053890307 is an apocalyptic number.

686053890307 is a deficient number, since it is larger than the sum of its proper divisors (17763620525).

686053890307 is a wasteful number, since it uses less digits than its factorization.

686053890307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105110309.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 686053890307 in words is "six hundred eighty-six billion, fifty-three million, eight hundred ninety thousand, three hundred seven".