28571742859 has 16 divisors (see below), whose sum is σ = 31378355424. Its totient is φ = 25800275200.

The previous prime is 28571742839. The next prime is 28571742863. The reversal of 28571742859 is 95824717582.

It is a cyclic number.

It is not a de Polignac number, because 28571742859 - 2¹¹ = 28571740811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28571742809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241087 + ... + 2253799.

It is an arithmetic number, because the mean of its divisors is an integer number (1961147214).

Almost surely, 2^28571742859 is an apocalyptic number.

28571742859 is a deficient number, since it is larger than the sum of its proper divisors (2806612565).

28571742859 is a wasteful number, since it uses less digits than its factorization.

28571742859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14078.

The product of its digits is 11289600, while the sum is 58.

The spelling of 28571742859 in words is "twenty-eight billion, five hundred seventy-one million, seven hundred forty-two thousand, eight hundred fifty-nine".