828308211089 has 8 divisors (see below), whose sum is σ = 893580002280. Its totient is φ = 764875062016.

The previous prime is 828308211053. The next prime is 828308211091. The reversal of 828308211089 is 980112803828.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112225000000 + 716083211089 = 335000^2 + 846217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 828308211089 - 2¹² = 828308206993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828308211889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459659594 + ... + 459661395.

It is an arithmetic number, because the mean of its divisors is an integer number (111697500285).

Almost surely, 2^828308211089 is an apocalyptic number.

It is an amenable number.

828308211089 is a deficient number, since it is larger than the sum of its proper divisors (65271791191).

828308211089 is a wasteful number, since it uses less digits than its factorization.

828308211089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919321059.

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 828308211089 in words is "eight hundred twenty-eight billion, three hundred eight million, two hundred eleven thousand, eighty-nine".