828513789 has 16 divisors (see below), whose sum is σ = 1143720000. Its totient is φ = 532856576.

The previous prime is 828513787. The next prime is 828513799. The reversal of 828513789 is 987315828.

It is a cyclic number.

It is not a de Polignac number, because 828513789 - 2¹ = 828513787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828513787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127237 + ... + 133589.

It is an arithmetic number, because the mean of its divisors is an integer number (71482500).

Almost surely, 2^828513789 is an apocalyptic number.

It is an amenable number.

828513789 is a deficient number, since it is larger than the sum of its proper divisors (315206211).

828513789 is a wasteful number, since it uses less digits than its factorization.

828513789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884.

The product of its digits is 967680, while the sum is 51.

The square root of 828513789 is about 28783.9154563795. The cubic root of 828513789 is about 939.2183743135.

The spelling of 828513789 in words is "eight hundred twenty-eight million, five hundred thirteen thousand, seven hundred eighty-nine".