685010782711 has 8 divisors (see below), whose sum is σ = 697335254144. Its totient is φ = 672748088760.

The previous prime is 685010782693. The next prime is 685010782727. The reversal of 685010782711 is 117287010586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 685010782711 - 2⁹ = 685010782199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685010782751) 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, 15421995 + ... + 15466348.

It is an arithmetic number, because the mean of its divisors is an integer number (87166906768).

Almost surely, 2^685010782711 is an apocalyptic number.

685010782711 is a deficient number, since it is larger than the sum of its proper divisors (12324471433).

685010782711 is a wasteful number, since it uses less digits than its factorization.

685010782711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30888741.

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 685010782711 in words is "six hundred eighty-five billion, ten million, seven hundred eighty-two thousand, seven hundred eleven".