785528648 has 16 divisors (see below), whose sum is σ = 1512673980. Its totient is φ = 382148928.

The previous prime is 785528641. The next prime is 785528651. The reversal of 785528648 is 846825587.

785528648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 723717604 + 61811044 = 26902^2 + 7862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 785528648.

It is not an unprimeable number, because it can be changed into a prime (785528641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326611 + ... + 1327202.

Almost surely, 2^785528648 is an apocalyptic number.

It is an amenable number.

785528648 is a deficient number, since it is larger than the sum of its proper divisors (727145332).

785528648 is a wasteful number, since it uses less digits than its factorization.

785528648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653856 (or 2653852 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 53.

The square root of 785528648 is about 28027.2839925670. The cubic root of 785528648 is about 922.6861664560.

The spelling of 785528648 in words is "seven hundred eighty-five million, five hundred twenty-eight thousand, six hundred forty-eight".