18772525823 has 8 divisors (see below), whose sum is σ = 18846332736. Its totient is φ = 18698752800.

The previous prime is 18772525771. The next prime is 18772525829. The reversal of 18772525823 is 32852527781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18772525823 - 2¹⁴ = 18772509439 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 (18772525829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123753 + ... + 2132573.

It is an arithmetic number, because the mean of its divisors is an integer number (2355791592).

Almost surely, 2^18772525823 is an apocalyptic number.

18772525823 is a deficient number, since it is larger than the sum of its proper divisors (73806913).

18772525823 is an equidigital number, since it uses as much as digits as its factorization.

18772525823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945.

The product of its digits is 1881600, while the sum is 50.

The spelling of 18772525823 in words is "eighteen billion, seven hundred seventy-two million, five hundred twenty-five thousand, eight hundred twenty-three".