67852138256 has 20 divisors (see below), whose sum is σ = 150244020672. Its totient is φ = 29079487776.

The previous prime is 67852138253. The next prime is 67852138261. The reversal of 67852138256 is 65283125876.

It is a super-2 number, since 2×67852138256² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 67852138198 and 67852138207.

It is not an unprimeable number, because it can be changed into a prime (67852138253) 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 3 ways as a sum of consecutive naturals, for example, 302911220 + ... + 302911443.

Almost surely, 2^67852138256 is an apocalyptic number.

It is an amenable number.

67852138256 is an abundant number, since it is smaller than the sum of its proper divisors (82391882416).

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

67852138256 is a wasteful number, since it uses less digits than its factorization.

67852138256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605822678 (or 605822672 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 67852138256 in words is "sixty-seven billion, eight hundred fifty-two million, one hundred thirty-eight thousand, two hundred fifty-six".