828882665 has 12 divisors (see below), whose sum is σ = 1071471492. Its totient is φ = 611926560.

The previous prime is 828882641. The next prime is 828882667. The reversal of 828882665 is 566288828.

It can be written as a sum of positive squares in 2 ways, for example, as 204032656 + 624850009 = 14284^2 + 24997^2 .

It is not a de Polignac number, because 828882665 - 2¹² = 828878569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828882667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230330 + ... + 233900.

It is an arithmetic number, because the mean of its divisors is an integer number (89289291).

Almost surely, 2^828882665 is an apocalyptic number.

It is an amenable number.

828882665 is a deficient number, since it is larger than the sum of its proper divisors (242588827).

828882665 is an frugal number, since it uses more digits than its factorization.

828882665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 3589 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The square root of 828882665 is about 28790.3224191741. The cubic root of 828882665 is about 939.3577418241.

The spelling of 828882665 in words is "eight hundred twenty-eight million, eight hundred eighty-two thousand, six hundred sixty-five".