689783345158 has 8 divisors (see below), whose sum is σ = 1034685795528. Its totient is φ = 344888079984.

The previous prime is 689783345131. The next prime is 689783345161. The reversal of 689783345158 is 851543387986.

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

It is a junction number, because it is equal to n+sod(n) for n = 689783345093 and 689783345102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549516 + ... + 1944367.

It is an arithmetic number, because the mean of its divisors is an integer number (129335724441).

Almost surely, 2^689783345158 is an apocalyptic number.

689783345158 is a deficient number, since it is larger than the sum of its proper divisors (344902450370).

689783345158 is a wasteful number, since it uses less digits than its factorization.

689783345158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592598.

The product of its digits is 174182400, while the sum is 67.

The spelling of 689783345158 in words is "six hundred eighty-nine billion, seven hundred eighty-three million, three hundred forty-five thousand, one hundred fifty-eight".