28103827 has 2 divisors, whose sum is σ = 28103828. Its totient is φ = 28103826.

The previous prime is 28103809. The next prime is 28103837. The reversal of 28103827 is 72830182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28103827 - 2¹⁵ = 28071059 is a prime.

It is equal to p_1747516 and since 28103827 and 1747516 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28103837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14051913 + 14051914.

It is an arithmetic number, because the mean of its divisors is an integer number (14051914).

Almost surely, 2^28103827 is an apocalyptic number.

28103827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28103827 is an equidigital number, since it uses as much as digits as its factorization.

28103827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 28103827 is about 5301.3042734784. The cubic root of 28103827 is about 304.0337674575.

The spelling of 28103827 in words is "twenty-eight million, one hundred three thousand, eight hundred twenty-seven".