28182813266 has 16 divisors (see below), whose sum is σ = 43262216448. Its totient is φ = 13762148400.

The previous prime is 28182813233. The next prime is 28182813271. The reversal of 28182813266 is 66231828182.

It is a self number, because there is not a number n which added to its sum of digits gives 28182813266.

It is an unprimeable number.

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, 1263551 + ... + 1285661.

It is an arithmetic number, because the mean of its divisors is an integer number (2703888528).

Almost surely, 2^28182813266 is an apocalyptic number.

28182813266 is a deficient number, since it is larger than the sum of its proper divisors (15079403182).

28182813266 is a wasteful number, since it uses less digits than its factorization.

28182813266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36977.

The product of its digits is 442368, while the sum is 47.

The spelling of 28182813266 in words is "twenty-eight billion, one hundred eighty-two million, eight hundred thirteen thousand, two hundred sixty-six".