67956871042 has 8 divisors (see below), whose sum is σ = 103858614396. Its totient is φ = 33337332912.

The previous prime is 67956871033. The next prime is 67956871079. The reversal of 67956871042 is 24017865976.

It can be written as a sum of positive squares in 2 ways, for example, as 63780997401 + 4175873641 = 252549^2 + 64621^2 .

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

It is an unprimeable number.

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, 320551173 + ... + 320551384.

Almost surely, 2^67956871042 is an apocalyptic number.

67956871042 is a deficient number, since it is larger than the sum of its proper divisors (35901743354).

67956871042 is a wasteful number, since it uses less digits than its factorization.

67956871042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641102612.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 67956871042 in words is "sixty-seven billion, nine hundred fifty-six million, eight hundred seventy-one thousand, forty-two".