28771359 has 8 divisors (see below), whose sum is σ = 38389680. Its totient is φ = 19166976.

The previous prime is 28771333. The next prime is 28771363. The reversal of 28771359 is 95317782.

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

It is a de Polignac number, because none of the positive numbers 2^k-28771359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28771359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28771319) 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 7 ways as a sum of consecutive naturals, for example, 3129 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (4798710).

Almost surely, 2^28771359 is an apocalyptic number.

28771359 is a deficient number, since it is larger than the sum of its proper divisors (9618321).

28771359 is a wasteful number, since it uses less digits than its factorization.

28771359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969.

The product of its digits is 105840, while the sum is 42.

The square root of 28771359 is about 5363.8940146129. The cubic root of 28771359 is about 306.4221287535.

The spelling of 28771359 in words is "twenty-eight million, seven hundred seventy-one thousand, three hundred fifty-nine".