28272827 has 16 divisors (see below), whose sum is σ = 31616352. Its totient is φ = 25067520.

The previous prime is 28272823. The next prime is 28272833. The reversal of 28272827 is 72827282.

It is a cyclic number.

It is not a de Polignac number, because 28272827 - 2² = 28272823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28272823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109883 + ... + 110139.

It is an arithmetic number, because the mean of its divisors is an integer number (1976022).

Almost surely, 2^28272827 is an apocalyptic number.

28272827 is a deficient number, since it is larger than the sum of its proper divisors (3343525).

28272827 is a wasteful number, since it uses less digits than its factorization.

28272827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its digits is 50176, while the sum is 38.

The square root of 28272827 is about 5317.2198562783. The cubic root of 28272827 is about 304.6419771059.

The spelling of 28272827 in words is "twenty-eight million, two hundred seventy-two thousand, eight hundred twenty-seven".