28948718735 has 16 divisors (see below), whose sum is σ = 36253702656. Its totient is φ = 22149085728.

The previous prime is 28948718693. The next prime is 28948718741. The reversal of 28948718735 is 53781784982.

It is a cyclic number.

It is not a de Polignac number, because 28948718735 - 2⁶ = 28948718671 is a prime.

It is a Duffinian number.

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, 1259012 + ... + 1281798.

It is an arithmetic number, because the mean of its divisors is an integer number (2265856416).

Almost surely, 2^28948718735 is an apocalyptic number.

28948718735 is a deficient number, since it is larger than the sum of its proper divisors (7304983921).

28948718735 is a wasteful number, since it uses less digits than its factorization.

28948718735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33862.

The product of its digits is 27095040, while the sum is 62.

The spelling of 28948718735 in words is "twenty-eight billion, nine hundred forty-eight million, seven hundred eighteen thousand, seven hundred thirty-five".