28512314726 has 32 divisors (see below), whose sum is σ = 49896000000. Its totient is φ = 12214607496.

The previous prime is 28512314713. The next prime is 28512314731. The reversal of 28512314726 is 62741321582.

It is a congruent 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, 2050385 + ... + 2064243.

It is an arithmetic number, because the mean of its divisors is an integer number (1559250000).

Almost surely, 2^28512314726 is an apocalyptic number.

28512314726 is a deficient number, since it is larger than the sum of its proper divisors (21383685274).

28512314726 is a wasteful number, since it uses less digits than its factorization.

28512314726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16881 (or 16867 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The spelling of 28512314726 in words is "twenty-eight billion, five hundred twelve million, three hundred fourteen thousand, seven hundred twenty-six".