685614111 has 16 divisors (see below), whose sum is σ = 1125110784. Its totient is φ = 361642464.

The previous prime is 685614109. The next prime is 685614179. The reversal of 685614111 is 111416586.

It is not a de Polignac number, because 685614111 - 2¹ = 685614109 is a prime.

It is a super-3 number, since 3×685614111³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685614101) 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, 1255431 + ... + 1255976.

It is an arithmetic number, because the mean of its divisors is an integer number (70319424).

Almost surely, 2^685614111 is an apocalyptic number.

685614111 is a deficient number, since it is larger than the sum of its proper divisors (439496673).

685614111 is a wasteful number, since it uses less digits than its factorization.

685614111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511430.

The product of its digits is 5760, while the sum is 33.

The square root of 685614111 is about 26184.2340159112. The cubic root of 685614111 is about 881.7793332712.

The spelling of 685614111 in words is "six hundred eighty-five million, six hundred fourteen thousand, one hundred eleven".