28065655656082 has 32 divisors (see below), whose sum is σ = 48649159872000. Its totient is φ = 12001256974080.

The previous prime is 28065655656061. The next prime is 28065655656083.

28065655656082 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×28065655656082³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28065655656083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16175457 + ... + 17826292.

It is an arithmetic number, because the mean of its divisors is an integer number (1520286246000).

Almost surely, 2^{28065655656082} is an apocalyptic number.

28065655656082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28065655656082 is a deficient number, since it is larger than the sum of its proper divisors (20583504215918).

28065655656082 is a wasteful number, since it uses less digits than its factorization.

28065655656082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34003986.

The product of its (nonzero) digits is 207360000, while the sum is 64.

The spelling of 28065655656082 in words is "twenty-eight trillion, sixty-five billion, six hundred fifty-five million, six hundred fifty-six thousand, eighty-two".