689479685120 has 176 divisors, whose sum is σ = 1742418845760. Its totient is φ = 261062590464.

The previous prime is 689479685023. The next prime is 689479685161. The reversal of 689479685120 is 21586974986.

It is a super-3 number, since 3×689479685120³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169946132 + ... + 169950188.

Almost surely, 2^689479685120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689479685120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871209422880).

689479685120 is an abundant number, since it is smaller than the sum of its proper divisors (1052939160640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689479685120 is a wasteful number, since it uses less digits than its factorization.

689479685120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 689479685120 in words is "six hundred eighty-nine billion, four hundred seventy-nine million, six hundred eighty-five thousand, one hundred twenty".