685697101796586 has 48 divisors (see below), whose sum is σ = 1532111719761504. Its totient is φ = 204380656260000.

The previous prime is 685697101796549. The next prime is 685697101796617.

685697101796586 is nontrivially palindromic in base 10.

685697101796586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 685697101796499 and 685697101796508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7741647240 + ... + 7741735811.

It is an arithmetic number, because the mean of its divisors is an integer number (31918994161698).

Almost surely, 2^{685697101796586} is an apocalyptic number.

685697101796586 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

685697101796586 is an abundant number, since it is smaller than the sum of its proper divisors (846414617964918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685697101796586 is a wasteful number, since it uses less digits than its factorization.

685697101796586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15483383139 (or 15483383128 counting only the distinct ones).

The product of its (nonzero) digits is 8230118400, while the sum is 84.

The spelling of 685697101796586 in words is "six hundred eighty-five trillion, six hundred ninety-seven billion, one hundred one million, seven hundred ninety-six thousand, five hundred eighty-six".