28869127 has 8 divisors (see below), whose sum is σ = 33286176. Its totient is φ = 24525312.

The previous prime is 28869121. The next prime is 28869157. The reversal of 28869127 is 72196882.

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

It is not a de Polignac number, because 28869127 - 2³ = 28869119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28869121) 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, 17458 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (4160772).

Almost surely, 2^28869127 is an apocalyptic number.

28869127 is a deficient number, since it is larger than the sum of its proper divisors (4417049).

28869127 is a wasteful number, since it uses less digits than its factorization.

28869127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36617.

The product of its digits is 96768, while the sum is 43.

The square root of 28869127 is about 5372.9998138842. Note that the first 3 decimals coincide. The cubic root of 28869127 is about 306.7688208562.

The spelling of 28869127 in words is "twenty-eight million, eight hundred sixty-nine thousand, one hundred twenty-seven".