28085810755 has 8 divisors (see below), whose sum is σ = 35685500832. Its totient is φ = 21146963328.

The previous prime is 28085810717. The next prime is 28085810759. The reversal of 28085810755 is 55701858082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28085810755 - 2⁹ = 28085810243 is a prime.

It is a super-3 number, since 3×28085810755³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28085810699 and 28085810708.

It is not an unprimeable number, because it can be changed into a prime (28085810759) 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, 165210567 + ... + 165210736.

It is an arithmetic number, because the mean of its divisors is an integer number (4460687604).

Almost surely, 2^28085810755 is an apocalyptic number.

28085810755 is a deficient number, since it is larger than the sum of its proper divisors (7599690077).

28085810755 is a wasteful number, since it uses less digits than its factorization.

28085810755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330421325.

The product of its (nonzero) digits is 896000, while the sum is 49.

The spelling of 28085810755 in words is "twenty-eight billion, eighty-five million, eight hundred ten thousand, seven hundred fifty-five".