28286668104 has 16 divisors (see below), whose sum is σ = 70716670320. Its totient is φ = 9428889360.

The previous prime is 28286668093. The next prime is 28286668117. The reversal of 28286668104 is 40186668282.

It is an unprimeable number.

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, 589305562 + ... + 589305609.

It is an arithmetic number, because the mean of its divisors is an integer number (4419791895).

Almost surely, 2^28286668104 is an apocalyptic number.

28286668104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28286668104 is an abundant number, since it is smaller than the sum of its proper divisors (42430002216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28286668104 is a wasteful number, since it uses less digits than its factorization.

28286668104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178611180 (or 1178611176 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 28286668104 in words is "twenty-eight billion, two hundred eighty-six million, six hundred sixty-eight thousand, one hundred four".