28088159 has 12 divisors (see below), whose sum is σ = 31393512. Its totient is φ = 24922800.

The previous prime is 28088149. The next prime is 28088161. The reversal of 28088159 is 95188082.

It is not a de Polignac number, because 28088159 - 2¹⁶ = 28022623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28088149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19649 + ... + 21029.

It is an arithmetic number, because the mean of its divisors is an integer number (2616126).

Almost surely, 2^28088159 is an apocalyptic number.

28088159 is a deficient number, since it is larger than the sum of its proper divisors (3305353).

28088159 is a wasteful number, since it uses less digits than its factorization.

28088159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 28088159 is about 5299.8263179089. The cubic root of 28088159 is about 303.9772569262.

The spelling of 28088159 in words is "twenty-eight million, eighty-eight thousand, one hundred fifty-nine".