28504031327 has 2 divisors, whose sum is σ = 28504031328. Its totient is φ = 28504031326.

The previous prime is 28504031293. The next prime is 28504031429. The reversal of 28504031327 is 72313040582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28504031327 - 2¹² = 28504027231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28504031027) 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 as a sum of consecutive naturals, namely, 14252015663 + 14252015664.

It is an arithmetic number, because the mean of its divisors is an integer number (14252015664).

Almost surely, 2^28504031327 is an apocalyptic number.

28504031327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28504031327 is an equidigital number, since it uses as much as digits as its factorization.

28504031327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 28504031327 in words is "twenty-eight billion, five hundred four million, thirty-one thousand, three hundred twenty-seven".