785041818 has 64 divisors (see below), whose sum is σ = 1750602240. Its totient is φ = 232689600.

The previous prime is 785041811. The next prime is 785041949. The reversal of 785041818 is 818140587.

It is a self number, because there is not a number n which added to its sum of digits gives 785041818.

It is not an unprimeable number, because it can be changed into a prime (785041811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913473 + ... + 914331.

It is an arithmetic number, because the mean of its divisors is an integer number (27353160).

Almost surely, 2^785041818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785041818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875301120).

785041818 is an abundant number, since it is smaller than the sum of its proper divisors (965560422).

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

785041818 is a wasteful number, since it uses less digits than its factorization.

785041818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 785041818 is about 28018.5977165168. The cubic root of 785041818 is about 922.4955160217.

The spelling of 785041818 in words is "seven hundred eighty-five million, forty-one thousand, eight hundred eighteen".