28826827 has 4 divisors (see below), whose sum is σ = 28848456. Its totient is φ = 28805200.

The previous prime is 28826821. The next prime is 28826851. The reversal of 28826827 is 72862882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28826827 - 2²³ = 20438219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28826821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8674 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (7212114).

Almost surely, 2^28826827 is an apocalyptic number.

28826827 is a deficient number, since it is larger than the sum of its proper divisors (21629).

28826827 is a wasteful number, since it uses less digits than its factorization.

28826827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628.

The product of its digits is 172032, while the sum is 43.

The square root of 28826827 is about 5369.0620223648. The cubic root of 28826827 is about 306.6189183431.

The spelling of 28826827 in words is "twenty-eight million, eight hundred twenty-six thousand, eight hundred twenty-seven".