28200823345 has 16 divisors (see below), whose sum is σ = 34392912768. Its totient is φ = 22194103680.

The previous prime is 28200823333. The next prime is 28200823369. The reversal of 28200823345 is 54332800282.

It is not a de Polignac number, because 28200823345 - 2⁹ = 28200822833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75322 + ... + 249148.

It is an arithmetic number, because the mean of its divisors is an integer number (2149557048).

Almost surely, 2^28200823345 is an apocalyptic number.

It is an amenable number.

28200823345 is a deficient number, since it is larger than the sum of its proper divisors (6192089423).

28200823345 is a wasteful number, since it uses less digits than its factorization.

28200823345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174360.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 28200823345 in words is "twenty-eight billion, two hundred million, eight hundred twenty-three thousand, three hundred forty-five".