67927640111 has 16 divisors (see below), whose sum is σ = 72385742016. Its totient is φ = 63600615936.

The previous prime is 67927640083. The next prime is 67927640113. The reversal of 67927640111 is 11104672976.

It is a cyclic number.

It is not a de Polignac number, because 67927640111 - 2²⁶ = 67860531247 is a prime.

It is a super-2 number, since 2×67927640111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67927640113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463481 + ... + 592173.

It is an arithmetic number, because the mean of its divisors is an integer number (4524108876).

Almost surely, 2^67927640111 is an apocalyptic number.

67927640111 is a deficient number, since it is larger than the sum of its proper divisors (4458101905).

67927640111 is a wasteful number, since it uses less digits than its factorization.

67927640111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129202.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 67927640111 in words is "sixty-seven billion, nine hundred twenty-seven million, six hundred forty thousand, one hundred eleven".