28465598784 has 112 divisors (see below), whose sum is σ = 87533683200. Its totient is φ = 7995158016.

The previous prime is 28465598753. The next prime is 28465598789. The reversal of 28465598784 is 48789556482.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28465598789) 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 in 15 ways as a sum of consecutive naturals, for example, 100194 + ... + 258785.

Almost surely, 2^28465598784 is an apocalyptic number.

28465598784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28465598784 is an abundant number, since it is smaller than the sum of its proper divisors (59068084416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28465598784 is a wasteful number, since it uses less digits than its factorization.

28465598784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359060 (or 359050 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 66.

The spelling of 28465598784 in words is "twenty-eight billion, four hundred sixty-five million, five hundred ninety-eight thousand, seven hundred eighty-four".