28873205011 has 32 divisors (see below), whose sum is σ = 35959104000. Its totient is φ = 22620632832.

The previous prime is 28873205003. The next prime is 28873205027. The reversal of 28873205011 is 11050237882.

It is not a de Polignac number, because 28873205011 - 2³ = 28873205003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28873205051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8857900 + ... + 8861158.

It is an arithmetic number, because the mean of its divisors is an integer number (1123722000).

Almost surely, 2^28873205011 is an apocalyptic number.

28873205011 is a deficient number, since it is larger than the sum of its proper divisors (7085898989).

28873205011 is a wasteful number, since it uses less digits than its factorization.

28873205011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 28873205011 in words is "twenty-eight billion, eight hundred seventy-three million, two hundred five thousand, eleven".