928459826789 has 12 divisors (see below), whose sum is σ = 1045429675500. Its totient is φ = 823467691200.

The previous prime is 928459826737. The next prime is 928459826797. The reversal of 928459826789 is 987628954829.

It can be written as a sum of positive squares in 2 ways, for example, as 156903132100 + 771556694689 = 396110^2 + 878383^2 .

It is a de Polignac number, because none of the positive numbers 2^k-928459826789 is a prime.

It is a super-2 number, since 2×928459826789² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928459820789) 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 11 ways as a sum of consecutive naturals, for example, 93570914 + ... + 93580835.

It is an arithmetic number, because the mean of its divisors is an integer number (87119139625).

Almost surely, 2^928459826789 is an apocalyptic number.

It is an amenable number.

928459826789 is a deficient number, since it is larger than the sum of its proper divisors (116969848711).

928459826789 is a wasteful number, since it uses less digits than its factorization.

928459826789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187151812 (or 187151801 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 77.

The spelling of 928459826789 in words is "nine hundred twenty-eight billion, four hundred fifty-nine million, eight hundred twenty-six thousand, seven hundred eighty-nine".