28514171065 has 8 divisors (see below), whose sum is σ = 34796954880. Its totient is φ = 22424703792.

The previous prime is 28514171057. The next prime is 28514171071. The reversal of 28514171065 is 56017141582.

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 28514171065 - 2³ = 28514171057 is a prime.

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, 48328809 + ... + 48329398.

It is an arithmetic number, because the mean of its divisors is an integer number (4349619360).

Almost surely, 2^28514171065 is an apocalyptic number.

It is an amenable number.

28514171065 is a deficient number, since it is larger than the sum of its proper divisors (6282783815).

28514171065 is an equidigital number, since it uses as much as digits as its factorization.

28514171065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96658271.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 28514171065 in words is "twenty-eight billion, five hundred fourteen million, one hundred seventy-one thousand, sixty-five".