28985616858424 has 16 divisors (see below), whose sum is σ = 54348560769600. Its totient is φ = 14492667319872.

The previous prime is 28985616858403. The next prime is 28985616858427. The reversal of 28985616858424 is 42485861658982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28985616858427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16763109 + ... + 18411220.

It is an arithmetic number, because the mean of its divisors is an integer number (3396785048100).

Almost surely, 2^{28985616858424} is an apocalyptic number.

It is an amenable number.

28985616858424 is a deficient number, since it is larger than the sum of its proper divisors (25362943911176).

28985616858424 is a wasteful number, since it uses less digits than its factorization.

28985616858424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35277342 (or 35277338 counting only the distinct ones).

The product of its digits is 2123366400, while the sum is 76.

The spelling of 28985616858424 in words is "twenty-eight trillion, nine hundred eighty-five billion, six hundred sixteen million, eight hundred fifty-eight thousand, four hundred twenty-four".