28603688060 has 24 divisors (see below), whose sum is σ = 60403326480. Its totient is φ = 11377554944.

The previous prime is 28603688041. The next prime is 28603688063. The reversal of 28603688060 is 6088630682.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28603687996 and 28603688014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28603688063) 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, 3991349 + ... + 3998508.

It is an arithmetic number, because the mean of its divisors is an integer number (2516805270).

Almost surely, 2^28603688060 is an apocalyptic number.

28603688060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28603688060 is an abundant number, since it is smaller than the sum of its proper divisors (31799638420).

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

28603688060 is a wasteful number, since it uses less digits than its factorization.

28603688060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990045 (or 7990043 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28603688060 in words is "twenty-eight billion, six hundred three million, six hundred eighty-eight thousand, sixty".