785313940356 has 288 divisors, whose sum is σ = 2349361542528. Its totient is φ = 218478919680.

The previous prime is 785313940319. The next prime is 785313940357. The reversal of 785313940356 is 653049313587.

785313940356 is a `hidden beast` number, since 7 + 8 + 53 + 139 + 403 + 56 = 666.

785313940356 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (785313940357) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 317553936 + ... + 317556408.

It is an arithmetic number, because the mean of its divisors is an integer number (8157505356).

Almost surely, 2^785313940356 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 785313940356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174680771264).

785313940356 is an abundant number, since it is smaller than the sum of its proper divisors (1564047602172).

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

785313940356 is a wasteful number, since it uses less digits than its factorization.

785313940356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 785313940356 in words is "seven hundred eighty-five billion, three hundred thirteen million, nine hundred forty thousand, three hundred fifty-six".