689765796000 has 1152 divisors, whose sum is σ = 2618994373632. Its totient is φ = 171694080000.

The previous prime is 689765795977. The next prime is 689765796011. The reversal of 689765796000 is 697567986.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4231691919 + ... + 4231692081.

It is an arithmetic number, because the mean of its divisors is an integer number (2273432616).

Almost surely, 2^689765796000 is an apocalyptic number.

689765796000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689765796000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309497186816).

689765796000 is an abundant number, since it is smaller than the sum of its proper divisors (1929228577632).

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

689765796000 is a wasteful number, since it uses less digits than its factorization.

689765796000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 689765796000 in words is "six hundred eighty-nine billion, seven hundred sixty-five million, seven hundred ninety-six thousand".