28871327 has 8 divisors (see below), whose sum is σ = 29926800. Its totient is φ = 27819904.

The previous prime is 28871309. The next prime is 28871329. The reversal of 28871327 is 72317882.

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

It is a cyclic number.

It is not a de Polignac number, because 28871327 - 2⁸ = 28871071 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 (28871329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27824 + ... + 28842.

It is an arithmetic number, because the mean of its divisors is an integer number (3740850).

Almost surely, 2^28871327 is an apocalyptic number.

28871327 is a deficient number, since it is larger than the sum of its proper divisors (1055473).

28871327 is a wasteful number, since it uses less digits than its factorization.

28871327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its digits is 37632, while the sum is 38.

The square root of 28871327 is about 5373.2045373315. The cubic root of 28871327 is about 306.7766131974.

The spelling of 28871327 in words is "twenty-eight million, eight hundred seventy-one thousand, three hundred twenty-seven".