28135759 has 2 divisors, whose sum is σ = 28135760. Its totient is φ = 28135758.

The previous prime is 28135747. The next prime is 28135769. The reversal of 28135759 is 95753182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28135759 - 2⁵ = 28135727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28135729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067879 + 14067880.

It is an arithmetic number, because the mean of its divisors is an integer number (14067880).

Almost surely, 2^28135759 is an apocalyptic number.

28135759 is a deficient number, since it is larger than the sum of its proper divisors (1).

28135759 is an equidigital number, since it uses as much as digits as its factorization.

28135759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 28135759 is about 5304.3151301558. The cubic root of 28135759 is about 304.1488731527.

The spelling of 28135759 in words is "twenty-eight million, one hundred thirty-five thousand, seven hundred fifty-nine".