18427979076 has 48 divisors (see below), whose sum is σ = 46659738048. Its totient is φ = 5626857600.

The previous prime is 18427979057. The next prime is 18427979099. The reversal of 18427979076 is 67097972481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430435 + ... + 471306.

It is an arithmetic number, because the mean of its divisors is an integer number (972077876).

Almost surely, 2^18427979076 is an apocalyptic number.

It is an amenable number.

18427979076 is an abundant number, since it is smaller than the sum of its proper divisors (28231758972).

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

18427979076 is a wasteful number, since it uses less digits than its factorization.

18427979076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901892 (or 901890 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 18427979076 in words is "eighteen billion, four hundred twenty-seven million, nine hundred seventy-nine thousand, seventy-six".