785889216 has 168 divisors, whose sum is σ = 2670129280. Its totient is φ = 224508672.

The previous prime is 785889211. The next prime is 785889217. The reversal of 785889216 is 612988587.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785889211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105255 + ... + 112473.

Almost surely, 2^785889216 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 785889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335064640).

785889216 is an abundant number, since it is smaller than the sum of its proper divisors (1884240064).

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

785889216 is an equidigital number, since it uses as much as digits as its factorization.

785889216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7231 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 785889216 is about 28033.7157009198. The cubic root of 785889216 is about 922.8273198971.

The spelling of 785889216 in words is "seven hundred eighty-five million, eight hundred eighty-nine thousand, two hundred sixteen".