685576675586 has 16 divisors (see below), whose sum is σ = 1140867197280. Its totient is φ = 306343968480.

The previous prime is 685576675583. The next prime is 685576675591.

685576675586 is nontrivially palindromic in base 10.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (685576675583) 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, 264088331 + ... + 264090926.

It is an arithmetic number, because the mean of its divisors is an integer number (71304199830).

Almost surely, 2^685576675586 is an apocalyptic number.

685576675586 is a deficient number, since it is larger than the sum of its proper divisors (455290521694).

685576675586 is a wasteful number, since it uses less digits than its factorization.

685576675586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528179329.

The product of its digits is 2540160000, while the sum is 74.

The spelling of 685576675586 in words is "six hundred eighty-five billion, five hundred seventy-six million, six hundred seventy-five thousand, five hundred eighty-six".