18873753797 has 8 divisors (see below), whose sum is σ = 19998682560. Its totient is φ = 17761982400.

The previous prime is 18873753781. The next prime is 18873753809. The reversal of 18873753797 is 79735737881.

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 18873753797 - 2⁴ = 18873753781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18873753727) 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, 3286388 + ... + 3292125.

It is an arithmetic number, because the mean of its divisors is an integer number (2499835320).

Almost surely, 2^18873753797 is an apocalyptic number.

It is an amenable number.

18873753797 is a deficient number, since it is larger than the sum of its proper divisors (1124928763).

18873753797 is a wasteful number, since it uses less digits than its factorization.

18873753797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578683.

The product of its digits is 62233920, while the sum is 65.

The spelling of 18873753797 in words is "eighteen billion, eight hundred seventy-three million, seven hundred fifty-three thousand, seven hundred ninety-seven".