67078982875813 has 16 divisors (see below), whose sum is σ = 68054850360000. Its totient is φ = 66104670602880.

The previous prime is 67078982875787. The next prime is 67078982875837. The reversal of 67078982875813 is 31857828987076.

It is a cyclic number.

It is not a de Polignac number, because 67078982875813 - 2⁹ = 67078982875301 is a prime.

It is a super-2 number, since 2×67078982875813² (a number of 28 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 (67078982875313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681571578 + ... + 681669988.

It is an arithmetic number, because the mean of its divisors is an integer number (4253428147500).

Almost surely, 2^{67078982875813} is an apocalyptic number.

It is an amenable number.

67078982875813 is a deficient number, since it is larger than the sum of its proper divisors (975867484187).

67078982875813 is a wasteful number, since it uses less digits than its factorization.

67078982875813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106212.

The product of its (nonzero) digits is 2275983360, while the sum is 79.

The spelling of 67078982875813 in words is "sixty-seven trillion, seventy-eight billion, nine hundred eighty-two million, eight hundred seventy-five thousand, eight hundred thirteen".