686055353847 has 16 divisors (see below), whose sum is σ = 917061169920. Its totient is φ = 456210216000.

The previous prime is 686055353839. The next prime is 686055353857. The reversal of 686055353847 is 748353550686.

It is not a de Polignac number, because 686055353847 - 2³ = 686055353839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686055353807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165222 + ... + 9239772.

It is an arithmetic number, because the mean of its divisors is an integer number (57316323120).

Almost surely, 2^686055353847 is an apocalyptic number.

686055353847 is a deficient number, since it is larger than the sum of its proper divisors (231005816073).

686055353847 is a wasteful number, since it uses less digits than its factorization.

686055353847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82294.

The product of its (nonzero) digits is 72576000, while the sum is 60.

The spelling of 686055353847 in words is "six hundred eighty-six billion, fifty-five million, three hundred fifty-three thousand, eight hundred forty-seven".