789789658896 has 300 divisors, whose sum is σ = 2799041512080. Its totient is φ = 213777325440.

The previous prime is 789789658799. The next prime is 789789658907. The reversal of 789789658896 is 698856987987.

It is a happy number.

789789658896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 879291 + ... + 1533861.

Almost surely, 2^789789658896 is an apocalyptic number.

789789658896 is a gapful number since it is divisible by the number (76) 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 789789658896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399520756040).

789789658896 is an abundant number, since it is smaller than the sum of its proper divisors (2009251853184).

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

789789658896 is a wasteful number, since it uses less digits than its factorization.

789789658896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654624 (or 654602 counting only the distinct ones).

The product of its digits is 26336378880, while the sum is 90.

The spelling of 789789658896 in words is "seven hundred eighty-nine billion, seven hundred eighty-nine million, six hundred fifty-eight thousand, eight hundred ninety-six".