18427979058 has 16 divisors (see below), whose sum is σ = 36878140416. Its totient is φ = 6138962640.

The previous prime is 18427979057. The next prime is 18427979099. The reversal of 18427979058 is 85097972481.

It is a junction number, because it is equal to n+sod(n) for n = 18427978992 and 18427979010.

It is not an unprimeable number, because it can be changed into a prime (18427979057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913453 + ... + 933408.

It is an arithmetic number, because the mean of its divisors is an integer number (2304883776).

Almost surely, 2^18427979058 is an apocalyptic number.

18427979058 is an abundant number, since it is smaller than the sum of its proper divisors (18450161358).

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

18427979058 is a wasteful number, since it uses less digits than its factorization.

18427979058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848529.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 18427979058 in words is "eighteen billion, four hundred twenty-seven million, nine hundred seventy-nine thousand, fifty-eight".