28268277346 has 8 divisors (see below), whose sum is σ = 42791429340. Its totient is φ = 14004467568.

The previous prime is 28268277343. The next prime is 28268277353. The reversal of 28268277346 is 64377286282.

It can be written as a sum of positive squares in 2 ways, for example, as 28136372121 + 131905225 = 167739^2 + 11485^2 .

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

It is a super-2 number, since 2×28268277346² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28268277343) 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 3 ways as a sum of consecutive naturals, for example, 64835281 + ... + 64835716.

Almost surely, 2^28268277346 is an apocalyptic number.

28268277346 is a deficient number, since it is larger than the sum of its proper divisors (14523151994).

28268277346 is a wasteful number, since it uses less digits than its factorization.

28268277346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129671108.

The product of its digits is 10838016, while the sum is 55.

The spelling of 28268277346 in words is "twenty-eight billion, two hundred sixty-eight million, two hundred seventy-seven thousand, three hundred forty-six".