28866466882 has 12 divisors (see below), whose sum is σ = 47593885878. Its totient is φ = 13121121200.

The previous prime is 28866466877. The next prime is 28866466891.

28866466882 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 24395003721 + 4471463161 = 156189^2 + 66869^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59641219 + ... + 59641702.

Almost surely, 2^28866466882 is an apocalyptic number.

28866466882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28866466882 is a deficient number, since it is larger than the sum of its proper divisors (18727418996).

28866466882 is a wasteful number, since it uses less digits than its factorization.

28866466882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119282945 (or 119282934 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 64.

The spelling of 28866466882 in words is "twenty-eight billion, eight hundred sixty-six million, four hundred sixty-six thousand, eight hundred eighty-two".