28352843585 has 16 divisors (see below), whose sum is σ = 37134676800. Its totient is φ = 20610123840.

The previous prime is 28352843581. The next prime is 28352843587. The reversal of 28352843585 is 58534825382.

It is not a de Polignac number, because 28352843585 - 2² = 28352843581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28352843581) 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, 12635 + ... + 238464.

It is an arithmetic number, because the mean of its divisors is an integer number (2320917300).

Almost surely, 2^28352843585 is an apocalyptic number.

It is an amenable number.

28352843585 is a deficient number, since it is larger than the sum of its proper divisors (8781833215).

28352843585 is a wasteful number, since it uses less digits than its factorization.

28352843585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253168.

The product of its digits is 9216000, while the sum is 53.

The spelling of 28352843585 in words is "twenty-eight billion, three hundred fifty-two million, eight hundred forty-three thousand, five hundred eighty-five".