28826911 has 2 divisors, whose sum is σ = 28826912. Its totient is φ = 28826910.

The previous prime is 28826893. The next prime is 28826921. The reversal of 28826911 is 11962882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28826911 - 2⁵ = 28826879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28826921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14413455 + 14413456.

It is an arithmetic number, because the mean of its divisors is an integer number (14413456).

Almost surely, 2^28826911 is an apocalyptic number.

28826911 is a deficient number, since it is larger than the sum of its proper divisors (1).

28826911 is an equidigital number, since it uses as much as digits as its factorization.

28826911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 37.

The square root of 28826911 is about 5369.0698449545. The cubic root of 28826911 is about 306.6192161671.

The spelling of 28826911 in words is "twenty-eight million, eight hundred twenty-six thousand, nine hundred eleven".