18894758874 has 8 divisors (see below), whose sum is σ = 37789517760. Its totient is φ = 6298252956.

The previous prime is 18894758833. The next prime is 18894758879. The reversal of 18894758874 is 47885749881.

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

18894758874 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18894758799 and 18894758808.

It is not an unprimeable number, because it can be changed into a prime (18894758879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574563234 + ... + 1574563245.

It is an arithmetic number, because the mean of its divisors is an integer number (4723689720).

Almost surely, 2^18894758874 is an apocalyptic number.

18894758874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18894758874 is a wasteful number, since it uses less digits than its factorization.

18894758874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149126484.

The product of its digits is 144506880, while the sum is 69.

The spelling of 18894758874 in words is "eighteen billion, eight hundred ninety-four million, seven hundred fifty-eight thousand, eight hundred seventy-four".