28757970713 has 16 divisors (see below), whose sum is σ = 29412688896. Its totient is φ = 28107668160.

The previous prime is 28757970701. The next prime is 28757970737. The reversal of 28757970713 is 31707975782.

It is a cyclic number.

It is not a de Polignac number, because 28757970713 - 2²⁰ = 28756922137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28757970743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29018648 + ... + 29019638.

It is an arithmetic number, because the mean of its divisors is an integer number (1838293056).

Almost surely, 2^28757970713 is an apocalyptic number.

It is an amenable number.

28757970713 is a deficient number, since it is larger than the sum of its proper divisors (654718183).

28757970713 is an equidigital number, since it uses as much as digits as its factorization.

28757970713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 5186160, while the sum is 56.

The spelling of 28757970713 in words is "twenty-eight billion, seven hundred fifty-seven million, nine hundred seventy thousand, seven hundred thirteen".