28856844865882 has 16 divisors (see below), whose sum is σ = 47239975008000. Its totient is φ = 13111280052640.

The previous prime is 28856844865843. The next prime is 28856844865909.

28856844865882 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28856844865882² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28856844865796 and 28856844865805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273326707 + ... + 273432262.

It is an arithmetic number, because the mean of its divisors is an integer number (2952498438000).

Almost surely, 2^{28856844865882} is an apocalyptic number.

28856844865882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28856844865882 is a deficient number, since it is larger than the sum of its proper divisors (18383130142118).

28856844865882 is a wasteful number, since it uses less digits than its factorization.

28856844865882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546761381.

The product of its digits is 15099494400, while the sum is 82.

The spelling of 28856844865882 in words is "twenty-eight trillion, eight hundred fifty-six billion, eight hundred forty-four million, eight hundred sixty-five thousand, eight hundred eighty-two".