689671118 has 8 divisors (see below), whose sum is σ = 1034803848. Its totient is φ = 344736504.

The previous prime is 689671117. The next prime is 689671159. The reversal of 689671118 is 811176986.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689671117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40496 + ... + 54947.

It is an arithmetic number, because the mean of its divisors is an integer number (129350481).

Almost surely, 2^689671118 is an apocalyptic number.

689671118 is a deficient number, since it is larger than the sum of its proper divisors (345132730).

689671118 is a wasteful number, since it uses less digits than its factorization.

689671118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99058.

The product of its digits is 145152, while the sum is 47.

The square root of 689671118 is about 26261.5901651061. The cubic root of 689671118 is about 883.5151745572.

The spelling of 689671118 in words is "six hundred eighty-nine million, six hundred seventy-one thousand, one hundred eighteen".