28143906937792 has 56 divisors (see below), whose sum is σ = 56032585775600. Its totient is φ = 14025469925376.

The previous prime is 28143906937763. The next prime is 28143906937807. The reversal of 28143906937792 is 29773960934182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196823059 + ... + 196965997.

It is an arithmetic number, because the mean of its divisors is an integer number (1000581888850).

Almost surely, 2^{28143906937792} is an apocalyptic number.

It is an amenable number.

28143906937792 is a deficient number, since it is larger than the sum of its proper divisors (27888678837808).

28143906937792 is a wasteful number, since it uses less digits than its factorization.

28143906937792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153093 (or 153083 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 70.

The spelling of 28143906937792 in words is "twenty-eight trillion, one hundred forty-three billion, nine hundred six million, nine hundred thirty-seven thousand, seven hundred ninety-two".