28031466603 has 12 divisors (see below), whose sum is σ = 43477377000. Its totient is φ = 16017980832.

The previous prime is 28031466581. The next prime is 28031466643. The reversal of 28031466603 is 30666413082.

It is not a de Polignac number, because 28031466603 - 2⁶ = 28031466539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28031466643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95344978 + ... + 95345271.

It is an arithmetic number, because the mean of its divisors is an integer number (3623114750).

Almost surely, 2^28031466603 is an apocalyptic number.

28031466603 is a deficient number, since it is larger than the sum of its proper divisors (15445910397).

28031466603 is a wasteful number, since it uses less digits than its factorization.

28031466603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190690266 (or 190690259 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 28031466603 its reverse (30666413082), we get a palindrome (58697879685).

The spelling of 28031466603 in words is "twenty-eight billion, thirty-one million, four hundred sixty-six thousand, six hundred three".