28082934469 has 8 divisors (see below), whose sum is σ = 28143280088. Its totient is φ = 28022630400.

The previous prime is 28082934463. The next prime is 28082934493. The reversal of 28082934469 is 96443928082.

It can be written as a sum of positive squares in 4 ways, for example, as 17589390625 + 10493543844 = 132625^2 + 102438^2 .

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 28082934469 - 2¹¹ = 28082932421 is a prime.

It is a super-2 number, since 2×28082934469² (a number of 22 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 (28082934463) 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 7 ways as a sum of consecutive naturals, for example, 1605169 + ... + 1622569.

It is an arithmetic number, because the mean of its divisors is an integer number (3517910011).

Almost surely, 2^28082934469 is an apocalyptic number.

It is an amenable number.

28082934469 is a deficient number, since it is larger than the sum of its proper divisors (60345619).

28082934469 is a wasteful number, since it uses less digits than its factorization.

28082934469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 28082934469 in words is "twenty-eight billion, eighty-two million, nine hundred thirty-four thousand, four hundred sixty-nine".