18876286424 has 16 divisors (see below), whose sum is σ = 35394501120. Its totient is φ = 9437752800.

The previous prime is 18876286417. The next prime is 18876286439. The reversal of 18876286424 is 42468267881.

It is a self number, because there is not a number n which added to its sum of digits gives 18876286424.

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, 326057 + ... + 379559.

It is an arithmetic number, because the mean of its divisors is an integer number (2212156320).

Almost surely, 2^18876286424 is an apocalyptic number.

It is an amenable number.

18876286424 is a deficient number, since it is larger than the sum of its proper divisors (16518214696).

18876286424 is a wasteful number, since it uses less digits than its factorization.

18876286424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97610 (or 97606 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 56.

The spelling of 18876286424 in words is "eighteen billion, eight hundred seventy-six million, two hundred eighty-six thousand, four hundred twenty-four".