28249858559 has 8 divisors (see below), whose sum is σ = 32024131440. Its totient is φ = 24704329536.

The previous prime is 28249858543. The next prime is 28249858607. The reversal of 28249858559 is 95585894282.

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 28249858559 - 2⁴ = 28249858543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28249858495 and 28249858504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28249858159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57185702 + ... + 57186195.

It is an arithmetic number, because the mean of its divisors is an integer number (4003016430).

Almost surely, 2^28249858559 is an apocalyptic number.

28249858559 is a deficient number, since it is larger than the sum of its proper divisors (3774272881).

28249858559 is a wasteful number, since it uses less digits than its factorization.

28249858559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114371929.

The product of its digits is 82944000, while the sum is 65.

The spelling of 28249858559 in words is "twenty-eight billion, two hundred forty-nine million, eight hundred fifty-eight thousand, five hundred fifty-nine".