28823863 has 2 divisors, whose sum is σ = 28823864. Its totient is φ = 28823862.

The previous prime is 28823849. The next prime is 28823867. The reversal of 28823863 is 36832882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28823863 - 2⁹ = 28823351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28823867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14411931 + 14411932.

It is an arithmetic number, because the mean of its divisors is an integer number (14411932).

Almost surely, 2^28823863 is an apocalyptic number.

28823863 is a deficient number, since it is larger than the sum of its proper divisors (1).

28823863 is an equidigital number, since it uses as much as digits as its factorization.

28823863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 28823863 is about 5368.7859894021. The cubic root of 28823863 is about 306.6084090395.

The spelling of 28823863 in words is "twenty-eight million, eight hundred twenty-three thousand, eight hundred sixty-three".