689848276992 has 384 divisors, whose sum is σ = 2143132992000. Its totient is φ = 193268809728.

The previous prime is 689848276973. The next prime is 689848277011. The reversal of 689848276992 is 299672848986.

It is an interprime number because it is at equal distance from previous prime (689848276973) and next prime (689848277011).

It is a tau number, because it is divible by the number of its divisors (384).

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 31 ways as a sum of consecutive naturals, for example, 531879288 + ... + 531880584.

It is an arithmetic number, because the mean of its divisors is an integer number (5581075500).

Almost surely, 2^689848276992 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 689848276992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071566496000).

689848276992 is an abundant number, since it is smaller than the sum of its proper divisors (1453284715008).

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

689848276992 is a wasteful number, since it uses less digits than its factorization.

689848276992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1541 counting only the distinct ones).

The product of its digits is 1504935936, while the sum is 78.

The spelling of 689848276992 in words is "six hundred eighty-nine billion, eight hundred forty-eight million, two hundred seventy-six thousand, nine hundred ninety-two".