785448528 has 80 divisors (see below), whose sum is σ = 2190395520. Its totient is φ = 241787392.

The previous prime is 785448511. The next prime is 785448529. The reversal of 785448528 is 825844587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785448529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19750 + ... + 44282.

It is an arithmetic number, because the mean of its divisors is an integer number (27379944).

Almost surely, 2^785448528 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 785448528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095197760).

785448528 is an abundant number, since it is smaller than the sum of its proper divisors (1404946992).

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

785448528 is a wasteful number, since it uses less digits than its factorization.

785448528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24596 (or 24590 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 51.

The square root of 785448528 is about 28025.8546346048. The cubic root of 785448528 is about 922.6547955954.

The spelling of 785448528 in words is "seven hundred eighty-five million, four hundred forty-eight thousand, five hundred twenty-eight".