28755161705 has 8 divisors (see below), whose sum is σ = 34717889472. Its totient is φ = 22862999088.

The previous prime is 28755161689. The next prime is 28755161723. The reversal of 28755161705 is 50716155782.

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 28755161705 - 2⁴ = 28755161689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28755161705.

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 7 ways as a sum of consecutive naturals, for example, 17640389 + ... + 17642018.

It is an arithmetic number, because the mean of its divisors is an integer number (4339736184).

Almost surely, 2^28755161705 is an apocalyptic number.

It is an amenable number.

28755161705 is a deficient number, since it is larger than the sum of its proper divisors (5962727767).

28755161705 is a wasteful number, since it uses less digits than its factorization.

28755161705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35282575.

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 28755161705 in words is "twenty-eight billion, seven hundred fifty-five million, one hundred sixty-one thousand, seven hundred five".