28571205148 has 12 divisors (see below), whose sum is σ = 50019288480. Its totient is φ = 14279979872.

The previous prime is 28571205127. The next prime is 28571205151. The reversal of 28571205148 is 84150217582.

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, 1394233 + ... + 1414576.

It is an arithmetic number, because the mean of its divisors is an integer number (4168274040).

Almost surely, 2^28571205148 is an apocalyptic number.

It is an amenable number.

28571205148 is a deficient number, since it is larger than the sum of its proper divisors (21448083332).

28571205148 is a wasteful number, since it uses less digits than its factorization.

28571205148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811356 (or 2811354 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 28571205148 in words is "twenty-eight billion, five hundred seventy-one million, two hundred five thousand, one hundred forty-eight".