28438608060 has 96 divisors (see below), whose sum is σ = 92322478080. Its totient is φ = 7253902656.

The previous prime is 28438608047. The next prime is 28438608071. The reversal of 28438608060 is 6080683482.

It is a happy number.

28438608060 is a `hidden beast` number, since 2 + 8 + 4 + 38 + 608 + 0 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 28438607997 and 28438608015.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1132452 + ... + 1157291.

It is an arithmetic number, because the mean of its divisors is an integer number (961692480).

Almost surely, 2^28438608060 is an apocalyptic number.

28438608060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28438608060 is an abundant number, since it is smaller than the sum of its proper divisors (63883870020).

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

28438608060 is a wasteful number, since it uses less digits than its factorization.

28438608060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289784 (or 2289776 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 28438608060 in words is "twenty-eight billion, four hundred thirty-eight million, six hundred eight thousand, sixty".