17823077845 has 16 divisors (see below), whose sum is σ = 22084250112. Its totient is φ = 13794367680.

The previous prime is 17823077827. The next prime is 17823077893. The reversal of 17823077845 is 54877032871.

It is not a de Polignac number, because 17823077845 - 2⁹ = 17823077333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17823077792 and 17823077801.

It is a congruent number.

It is an unprimeable number.

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, 563214 + ... + 594016.

It is an arithmetic number, because the mean of its divisors is an integer number (1380265632).

Almost surely, 2^17823077845 is an apocalyptic number.

It is an amenable number.

17823077845 is a deficient number, since it is larger than the sum of its proper divisors (4261172267).

17823077845 is a wasteful number, since it uses less digits than its factorization.

17823077845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34572.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 17823077845 in words is "seventeen billion, eight hundred twenty-three million, seventy-seven thousand, eight hundred forty-five".