28240682880886 has 16 divisors (see below), whose sum is σ = 48413276052480. Its totient is φ = 12102980599080.

The previous prime is 28240682880877. The next prime is 28240682880919. The reversal of 28240682880886 is 68808828604282.

It is a super-3 number, since 3×28240682880886³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13060776 + ... + 15068683.

It is an arithmetic number, because the mean of its divisors is an integer number (3025829753280).

Almost surely, 2^{28240682880886} is an apocalyptic number.

28240682880886 is a deficient number, since it is larger than the sum of its proper divisors (20172593171594).

28240682880886 is a wasteful number, since it uses less digits than its factorization.

28240682880886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201179.

The product of its (nonzero) digits is 301989888, while the sum is 70.

The spelling of 28240682880886 in words is "twenty-eight trillion, two hundred forty billion, six hundred eighty-two million, eight hundred eighty thousand, eight hundred eighty-six".