28159627 has 8 divisors (see below), whose sum is σ = 29537856. Its totient is φ = 26813952.

The previous prime is 28159603. The next prime is 28159639. The reversal of 28159627 is 72695182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28159627 - 2¹⁹ = 27635339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28159627.

It is not an unprimeable number, because it can be changed into a prime (28159657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6358 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (3692232).

Almost surely, 2^28159627 is an apocalyptic number.

28159627 is a deficient number, since it is larger than the sum of its proper divisors (1378229).

28159627 is a wasteful number, since it uses less digits than its factorization.

28159627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16277.

The product of its digits is 60480, while the sum is 40.

The square root of 28159627 is about 5306.5645195362. The cubic root of 28159627 is about 304.2348535773.

The spelling of 28159627 in words is "twenty-eight million, one hundred fifty-nine thousand, six hundred twenty-seven".