689825080 has 64 divisors (see below), whose sum is σ = 1780577280. Its totient is φ = 235612800.

The previous prime is 689825069. The next prime is 689825119. The reversal of 689825080 is 80528986.

It is a happy number.

689825080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 689825080.

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, 71335 + ... + 80425.

It is an arithmetic number, because the mean of its divisors is an integer number (27821520).

Almost surely, 2^689825080 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 689825080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890288640).

689825080 is an abundant number, since it is smaller than the sum of its proper divisors (1090752200).

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

689825080 is a wasteful number, since it uses less digits than its factorization.

689825080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380 (or 9376 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 689825080 is about 26264.5213167878. The cubic root of 689825080 is about 883.5809148976.

The spelling of 689825080 in words is "six hundred eighty-nine million, eight hundred twenty-five thousand, eighty".