28805056312 has 16 divisors (see below), whose sum is σ = 54014990400. Its totient is φ = 14401058880.

The previous prime is 28805056307. The next prime is 28805056417. The reversal of 28805056312 is 21365050882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97989 + ... + 259252.

It is an arithmetic number, because the mean of its divisors is an integer number (3375936900).

Almost surely, 2^28805056312 is an apocalyptic number.

It is an amenable number.

28805056312 is a deficient number, since it is larger than the sum of its proper divisors (25209934088).

28805056312 is a wasteful number, since it uses less digits than its factorization.

28805056312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367326 (or 367322 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 28805056312 in words is "twenty-eight billion, eight hundred five million, fifty-six thousand, three hundred twelve".