28360557605 has 16 divisors (see below), whose sum is σ = 34138540800. Its totient is φ = 22617946560.

The previous prime is 28360557571. The next prime is 28360557611. The reversal of 28360557605 is 50675506382.

It is not a de Polignac number, because 28360557605 - 2⁶ = 28360557541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28360557605.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3492500 + ... + 3500610.

It is an arithmetic number, because the mean of its divisors is an integer number (2133658800).

Almost surely, 2^28360557605 is an apocalyptic number.

It is an amenable number.

28360557605 is a deficient number, since it is larger than the sum of its proper divisors (5777983195).

28360557605 is a wasteful number, since it uses less digits than its factorization.

28360557605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10204.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 28360557605 in words is "twenty-eight billion, three hundred sixty million, five hundred fifty-seven thousand, six hundred five".