689111068 has 24 divisors (see below), whose sum is σ = 1212871968. Its totient is φ = 342583296.

The previous prime is 689111063. The next prime is 689111089. The reversal of 689111068 is 860111986.

It is a self number, because there is not a number n which added to its sum of digits gives 689111068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689111063) 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, 836905 + ... + 837727.

It is an arithmetic number, because the mean of its divisors is an integer number (50536332).

Almost surely, 2^689111068 is an apocalyptic number.

It is an amenable number.

689111068 is a deficient number, since it is larger than the sum of its proper divisors (523760900).

689111068 is a wasteful number, since it uses less digits than its factorization.

689111068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 689111068 is about 26250.9250884612. The cubic root of 689111068 is about 883.2759558633.

The spelling of 689111068 in words is "six hundred eighty-nine million, one hundred eleven thousand, sixty-eight".