785302742322 has 162 divisors, whose sum is σ = 2020922584317. Its totient is φ = 219747763872.

The previous prime is 785302742321. The next prime is 785302742327. The reversal of 785302742322 is 223247203587.

785302742322 is a `hidden beast` number, since 7 + 8 + 53 + 0 + 274 + 2 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 744905360241 + 40397382081 = 863079^2 + 200991^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=626619.

It is not an unprimeable number, because it can be changed into a prime (785302742321) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1394853613 + ... + 1394854175.

Almost surely, 2^785302742322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785302742322

785302742322 is an abundant number, since it is smaller than the sum of its proper divisors (1235619841995).

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

785302742322 is an equidigital number, since it uses as much as digits as its factorization.

785302742322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 785302742322 in words is "seven hundred eighty-five billion, three hundred two million, seven hundred forty-two thousand, three hundred twenty-two".