785680896 has 480 divisors, whose sum is σ = 2899689408. Its totient is φ = 185794560.

The previous prime is 785680877. The next prime is 785680901. The reversal of 785680896 is 698086587.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10762716 + ... + 10762788.

Almost surely, 2^785680896 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 785680896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449844704).

785680896 is an abundant number, since it is smaller than the sum of its proper divisors (2114008512).

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

785680896 is a wasteful number, since it uses less digits than its factorization.

785680896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The square root of 785680896 is about 28029.9999286479. Note that the first 4 decimals coincide. The cubic root of 785680896 is about 922.7457730446.

The spelling of 785680896 in words is "seven hundred eighty-five million, six hundred eighty thousand, eight hundred ninety-six".