67011928007 has 8 divisors (see below), whose sum is σ = 69820088832. Its totient is φ = 64244172600.

The previous prime is 67011927991. The next prime is 67011928013. The reversal of 67011928007 is 70082911076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67011928007 - 2⁴ = 67011927991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67011921007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10097969 + ... + 10104602.

It is an arithmetic number, because the mean of its divisors is an integer number (8727511104).

Almost surely, 2^67011928007 is an apocalyptic number.

67011928007 is a deficient number, since it is larger than the sum of its proper divisors (2808160825).

67011928007 is a wasteful number, since it uses less digits than its factorization.

67011928007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202709.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 67011928007 in words is "sixty-seven billion, eleven million, nine hundred twenty-eight thousand, seven".