18876275368 has 8 divisors (see below), whose sum is σ = 35393016330. Its totient is φ = 9438137680.

The previous prime is 18876275347. The next prime is 18876275377. The reversal of 18876275368 is 86357267881.

It can be written as a sum of positive squares in only one way, i.e., 13054890564 + 5821384804 = 114258^2 + 76298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179767203 + ... + 1179767218.

Almost surely, 2^18876275368 is an apocalyptic number.

It is an amenable number.

18876275368 is a deficient number, since it is larger than the sum of its proper divisors (16516740962).

18876275368 is a wasteful number, since it uses less digits than its factorization.

18876275368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359534427 (or 2359534423 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The spelling of 18876275368 in words is "eighteen billion, eight hundred seventy-six million, two hundred seventy-five thousand, three hundred sixty-eight".