28094252705 has 8 divisors (see below), whose sum is σ = 34040415552. Its totient is φ = 22257193968.

The previous prime is 28094252689. The next prime is 28094252723. The reversal of 28094252705 is 50725249082.

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 28094252705 - 2⁴ = 28094252689 is a prime.

It is a super-3 number, since 3×28094252705³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27275459 + ... + 27276488.

It is an arithmetic number, because the mean of its divisors is an integer number (4255051944).

Almost surely, 2^28094252705 is an apocalyptic number.

It is an amenable number.

28094252705 is a deficient number, since it is larger than the sum of its proper divisors (5946162847).

28094252705 is a wasteful number, since it uses less digits than its factorization.

28094252705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54552055.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 28094252705 in words is "twenty-eight billion, ninety-four million, two hundred fifty-two thousand, seven hundred five".