27828005803003 has 16 divisors (see below), whose sum is σ = 31823249793280. Its totient is φ = 23837717714976.

The previous prime is 27828005802977. The next prime is 27828005803033. The reversal of 27828005803003 is 30030850082872.

It is a cyclic number.

It is not a de Polignac number, because 27828005803003 - 2¹⁷ = 27828005671931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27828005803033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160047568 + ... + 160221346.

It is an arithmetic number, because the mean of its divisors is an integer number (1988953112080).

Almost surely, 2^{27828005803003} is an apocalyptic number.

27828005803003 is a deficient number, since it is larger than the sum of its proper divisors (3995243990277).

27828005803003 is a wasteful number, since it uses less digits than its factorization.

27828005803003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187906.

The product of its (nonzero) digits is 645120, while the sum is 46.

Adding to 27828005803003 its reverse (30030850082872), we get a palindrome (57858855885875).

The spelling of 27828005803003 in words is "twenty-seven trillion, eight hundred twenty-eight billion, five million, eight hundred three thousand, three".