28056107804 has 12 divisors (see below), whose sum is σ = 49129294200. Its totient is φ = 14019166608.

The previous prime is 28056107803. The next prime is 28056107837. The reversal of 28056107804 is 40870165082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056107801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214719 + ... + 2227350.

It is an arithmetic number, because the mean of its divisors is an integer number (4094107850).

Almost surely, 2^28056107804 is an apocalyptic number.

It is an amenable number.

28056107804 is a deficient number, since it is larger than the sum of its proper divisors (21073186396).

28056107804 is a wasteful number, since it uses less digits than its factorization.

28056107804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443652 (or 4443650 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 28056107804 in words is "twenty-eight billion, fifty-six million, one hundred seven thousand, eight hundred four".