785858908404 has 96 divisors (see below), whose sum is σ = 1960006688640. Its totient is φ = 244199743488.

The previous prime is 785858908403. The next prime is 785858908423. The reversal of 785858908404 is 404809858587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785858908403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123695692 + ... + 123702044.

It is an arithmetic number, because the mean of its divisors is an integer number (20416736340).

Almost surely, 2^785858908404 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 785858908404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980003344320).

785858908404 is an abundant number, since it is smaller than the sum of its proper divisors (1174147780236).

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

785858908404 is a wasteful number, since it uses less digits than its factorization.

785858908404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12049 (or 12047 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 66.

The spelling of 785858908404 in words is "seven hundred eighty-five billion, eight hundred fifty-eight million, nine hundred eight thousand, four hundred four".