685713711 has 16 divisors (see below), whose sum is σ = 953020544. Its totient is φ = 438143904.

The previous prime is 685713701. The next prime is 685713727. The reversal of 685713711 is 117317586.

It is not a de Polignac number, because 685713711 - 2⁹ = 685713199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 685713711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685713701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38665 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (59563784).

Almost surely, 2^685713711 is an apocalyptic number.

685713711 is a deficient number, since it is larger than the sum of its proper divisors (267306833).

685713711 is a wasteful number, since it uses less digits than its factorization.

685713711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92310.

The product of its digits is 35280, while the sum is 39.

The square root of 685713711 is about 26186.1358546846. The cubic root of 685713711 is about 881.8220302576.

The spelling of 685713711 in words is "six hundred eighty-five million, seven hundred thirteen thousand, seven hundred eleven".