18783861422 has 16 divisors (see below), whose sum is σ = 28793283840. Its totient is φ = 9186350328.

The previous prime is 18783861419. The next prime is 18783861433. The reversal of 18783861422 is 22416838781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90473 + ... + 213899.

It is an arithmetic number, because the mean of its divisors is an integer number (1799580240).

Almost surely, 2^18783861422 is an apocalyptic number.

18783861422 is a deficient number, since it is larger than the sum of its proper divisors (10009422418).

18783861422 is a wasteful number, since it uses less digits than its factorization.

18783861422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125095.

The product of its digits is 1032192, while the sum is 50.

The spelling of 18783861422 in words is "eighteen billion, seven hundred eighty-three million, eight hundred sixty-one thousand, four hundred twenty-two".