28256350177085 has 8 divisors (see below), whose sum is σ = 34002070410240. Its totient is φ = 22542113343184.

The previous prime is 28256350177007. The next prime is 28256350177091. The reversal of 28256350177085 is 58077105365282.

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 28256350177085 - 2³² = 28252055209789 is a prime.

It is a Curzon number.

It is a congruent 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, 7870847837 + ... + 7870851426.

It is an arithmetic number, because the mean of its divisors is an integer number (4250258801280).

Almost surely, 2^{28256350177085} is an apocalyptic number.

It is an amenable number.

28256350177085 is a deficient number, since it is larger than the sum of its proper divisors (5745720233155).

28256350177085 is a wasteful number, since it uses less digits than its factorization.

28256350177085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15741699627.

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 28256350177085 in words is "twenty-eight trillion, two hundred fifty-six billion, three hundred fifty million, one hundred seventy-seven thousand, eighty-five".