27438487068 has 24 divisors (see below), whose sum is σ = 64040419072. Its totient is φ = 9143693424.

The previous prime is 27438487061. The next prime is 27438487079. The reversal of 27438487068 is 86078483472.

It is a junction number, because it is equal to n+sod(n) for n = 27438486999 and 27438487017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27438487061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262030 + ... + 351477.

Almost surely, 2^27438487068 is an apocalyptic number.

It is an amenable number.

27438487068 is an abundant number, since it is smaller than the sum of its proper divisors (36601932004).

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

27438487068 is a wasteful number, since it uses less digits than its factorization.

27438487068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617241 (or 617239 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 57.

The spelling of 27438487068 in words is "twenty-seven billion, four hundred thirty-eight million, four hundred eighty-seven thousand, sixty-eight".