28875759 has 16 divisors (see below), whose sum is σ = 42094080. Its totient is φ = 17461760.

The previous prime is 28875751. The next prime is 28875761. The reversal of 28875759 is 95757882.

It is a cyclic number.

It is not a de Polignac number, because 28875759 - 2³ = 28875751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28875751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23119 + ... + 24335.

It is an arithmetic number, because the mean of its divisors is an integer number (2630880).

Almost surely, 2^28875759 is an apocalyptic number.

28875759 is a deficient number, since it is larger than the sum of its proper divisors (13218321).

28875759 is a wasteful number, since it uses less digits than its factorization.

28875759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950.

The product of its digits is 1411200, while the sum is 51.

The square root of 28875759 is about 5373.6169383386. The cubic root of 28875759 is about 306.7923100210.

It can be divided in two parts, 2887 and 5759, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 28875759 in words is "twenty-eight million, eight hundred seventy-five thousand, seven hundred fifty-nine".