28923957743 has 16 divisors (see below), whose sum is σ = 30743465760. Its totient is φ = 27117782016.

The previous prime is 28923957731. The next prime is 28923957757. The reversal of 28923957743 is 34775932982.

It is a happy number.

It is not a de Polignac number, because 28923957743 - 2¹² = 28923953647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28923951743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5336771 + ... + 5342187.

It is an arithmetic number, because the mean of its divisors is an integer number (1921466610).

Almost surely, 2^28923957743 is an apocalyptic number.

28923957743 is a deficient number, since it is larger than the sum of its proper divisors (1819508017).

28923957743 is a wasteful number, since it uses less digits than its factorization.

28923957743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586.

The product of its digits is 22861440, while the sum is 59.

The spelling of 28923957743 in words is "twenty-eight billion, nine hundred twenty-three million, nine hundred fifty-seven thousand, seven hundred forty-three".