28519519060 has 24 divisors (see below), whose sum is σ = 60159568896. Its totient is φ = 11356649760.

The previous prime is 28519519043. The next prime is 28519519069. The reversal of 28519519060 is 6091591582.

It is a self number, because there is not a number n which added to its sum of digits gives 28519519060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28519519069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192796 + ... + 3201715.

It is an arithmetic number, because the mean of its divisors is an integer number (2506648704).

Almost surely, 2^28519519060 is an apocalyptic number.

28519519060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28519519060 is an abundant number, since it is smaller than the sum of its proper divisors (31640049836).

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

28519519060 is a wasteful number, since it uses less digits than its factorization.

28519519060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394743 (or 6394741 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 28519519060 in words is "twenty-eight billion, five hundred nineteen million, five hundred nineteen thousand, sixty".