28853345208585 has 32 divisors (see below), whose sum is σ = 48888117907200. Its totient is φ = 14481127313408.

The previous prime is 28853345208559. The next prime is 28853345208607. The reversal of 28853345208585 is 58580254335882.

It is a cyclic number.

It is not a de Polignac number, because 28853345208585 - 2²⁰ = 28853344160009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6537285 + ... + 10022114.

It is an arithmetic number, because the mean of its divisors is an integer number (1527753684600).

Almost surely, 2^{28853345208585} is an apocalyptic number.

It is an amenable number.

28853345208585 is a deficient number, since it is larger than the sum of its proper divisors (20034772698615).

28853345208585 is a wasteful number, since it uses less digits than its factorization.

28853345208585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16566257.

The product of its (nonzero) digits is 368640000, while the sum is 66.

The spelling of 28853345208585 in words is "twenty-eight trillion, eight hundred fifty-three billion, three hundred forty-five million, two hundred eight thousand, five hundred eighty-five".