28055835766 has 8 divisors (see below), whose sum is σ = 48095718480. Its totient is φ = 12023929608.

The previous prime is 28055835763. The next prime is 28055835793. The reversal of 28055835766 is 66753855082.

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

It is a super-3 number, since 3×28055835766³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055835763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001994121 + ... + 1001994148.

It is an arithmetic number, because the mean of its divisors is an integer number (6011964810).

Almost surely, 2^28055835766 is an apocalyptic number.

28055835766 is a deficient number, since it is larger than the sum of its proper divisors (20039882714).

28055835766 is a wasteful number, since it uses less digits than its factorization.

28055835766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003988278.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 28055835766 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-five thousand, seven hundred sixty-six".