67840112339 has 4 divisors (see below), whose sum is σ = 68219107560. Its totient is φ = 67461117120.

The previous prime is 67840112299. The next prime is 67840112341. The reversal of 67840112339 is 93321104876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67840112339 - 2⁸ = 67840112083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67840112339.

It is not an unprimeable number, because it can be changed into a prime (67840102339) 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, 189497342 + ... + 189497699.

It is an arithmetic number, because the mean of its divisors is an integer number (17054776890).

Almost surely, 2^67840112339 is an apocalyptic number.

67840112339 is a deficient number, since it is larger than the sum of its proper divisors (378995221).

67840112339 is a wasteful number, since it uses less digits than its factorization.

67840112339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378995220.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 67840112339 in words is "sixty-seven billion, eight hundred forty million, one hundred twelve thousand, three hundred thirty-nine".