28871759 has 16 divisors (see below), whose sum is σ = 33746496. Its totient is φ = 24192000.

The previous prime is 28871753. The next prime is 28871767. The reversal of 28871759 is 95717882.

It is not a de Polignac number, because 28871759 - 2⁴ = 28871743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28871753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68369 + ... + 68789.

It is an arithmetic number, because the mean of its divisors is an integer number (2109156).

Almost surely, 2^28871759 is an apocalyptic number.

28871759 is a deficient number, since it is larger than the sum of its proper divisors (4874737).

28871759 is a wasteful number, since it uses less digits than its factorization.

28871759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 282240, while the sum is 47.

The square root of 28871759 is about 5373.2447366559. The cubic root of 28871759 is about 306.7781432833.

The spelling of 28871759 in words is "twenty-eight million, eight hundred seventy-one thousand, seven hundred fifty-nine".