18772854268 has 12 divisors (see below), whose sum is σ = 37545708592. Its totient is φ = 8045508960.

The previous prime is 18772854253. The next prime is 18772854271. The reversal of 18772854268 is 86245827781.

It is a happy number.

18772854268 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335229513 + ... + 335229568.

Almost surely, 2^18772854268 is an apocalyptic number.

It is an amenable number.

18772854268 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.

18772854268 is a wasteful number, since it uses less digits than its factorization.

18772854268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670459092 (or 670459090 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 58.

The spelling of 18772854268 in words is "eighteen billion, seven hundred seventy-two million, eight hundred fifty-four thousand, two hundred sixty-eight".