67927027064 has 16 divisors (see below), whose sum is σ = 137160343320. Its totient is φ = 31350935520.

The previous prime is 67927027043. The next prime is 67927027067. The reversal of 67927027064 is 46072072976.

67927027064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67927027064² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67927027067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326572142 + ... + 326572349.

Almost surely, 2^67927027064 is an apocalyptic number.

It is an amenable number.

67927027064 is an abundant number, since it is smaller than the sum of its proper divisors (69233316256).

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

67927027064 is a wasteful number, since it uses less digits than its factorization.

67927027064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653144510 (or 653144506 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 67927027064 in words is "sixty-seven billion, nine hundred twenty-seven million, twenty-seven thousand, sixty-four".