83427838018 has 16 divisors (see below), whose sum is σ = 143044453440. Its totient is φ = 35748462096.

The previous prime is 83427837991. The next prime is 83427838049. The reversal of 83427838018 is 81083872438.

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, 444733 + ... + 603856.

It is an arithmetic number, because the mean of its divisors is an integer number (8940278340).

Almost surely, 2^83427838018 is an apocalyptic number.

83427838018 is a deficient number, since it is larger than the sum of its proper divisors (59616615422).

83427838018 is a wasteful number, since it uses less digits than its factorization.

83427838018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054281.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 83427838018 in words is "eighty-three billion, four hundred twenty-seven million, eight hundred thirty-eight thousand, eighteen".