67856136082 has 16 divisors (see below), whose sum is σ = 116876112192. Its totient is φ = 28943374320.

The previous prime is 67856136067. The next prime is 67856136091. The reversal of 67856136082 is 28063165876.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11482513 + ... + 11488420.

It is an arithmetic number, because the mean of its divisors is an integer number (7304757012).

Almost surely, 2^67856136082 is an apocalyptic number.

67856136082 is a deficient number, since it is larger than the sum of its proper divisors (49019976110).

67856136082 is a wasteful number, since it uses less digits than its factorization.

67856136082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22971153.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 67856136082 in words is "sixty-seven billion, eight hundred fifty-six million, one hundred thirty-six thousand, eighty-two".