685313137086 has 16 divisors (see below), whose sum is σ = 1407670227984. Its totient is φ = 222263720064.

The previous prime is 685313137037. The next prime is 685313137129. The reversal of 685313137086 is 680731313586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543497835 + ... + 1543498278.

It is an arithmetic number, because the mean of its divisors is an integer number (87979389249).

Almost surely, 2^685313137086 is an apocalyptic number.

685313137086 is an abundant number, since it is smaller than the sum of its proper divisors (722357090898).

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

685313137086 is a wasteful number, since it uses less digits than its factorization.

685313137086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086996155.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 685313137086 in words is "six hundred eighty-five billion, three hundred thirteen million, one hundred thirty-seven thousand, eighty-six".