28060654545 has 144 divisors (see below), whose sum is σ = 64002586752. Its totient is φ = 11047311360.

The previous prime is 28060654481. The next prime is 28060654547. The reversal of 28060654545 is 54545606082.

28060654545 is a `hidden beast` number, since 2 + 8 + 0 + 60 + 6 + 545 + 45 = 666.

It is not a de Polignac number, because 28060654545 - 2⁶ = 28060654481 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28060654545.

It is not an unprimeable number, because it can be changed into a prime (28060654547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1239649 + ... + 1262081.

It is an arithmetic number, because the mean of its divisors is an integer number (444462408).

Almost surely, 2^28060654545 is an apocalyptic number.

It is an amenable number.

28060654545 is an abundant number, since it is smaller than the sum of its proper divisors (35941932207).

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

28060654545 is a wasteful number, since it uses less digits than its factorization.

28060654545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500 (or 22478 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 28060654545 in words is "twenty-eight billion, sixty million, six hundred fifty-four thousand, five hundred forty-five".