686105026707 has 8 divisors (see below), whose sum is σ = 914823395280. Its totient is φ = 457395004640.

The previous prime is 686105026697. The next prime is 686105026741. The reversal of 686105026707 is 707620501686.

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 686105026707 - 2³⁶ = 617385549971 is a prime.

It is a super-2 number, since 2×686105026707² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (686105026807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892232 + ... + 2225477.

It is an arithmetic number, because the mean of its divisors is an integer number (114352924410).

Almost surely, 2^686105026707 is an apocalyptic number.

686105026707 is a deficient number, since it is larger than the sum of its proper divisors (228718368573).

686105026707 is a wasteful number, since it uses less digits than its factorization.

686105026707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173253.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 686105026707 in words is "six hundred eighty-six billion, one hundred five million, twenty-six thousand, seven hundred seven".