67868920675 has 6 divisors (see below), whose sum is σ = 84157461668. Its totient is φ = 54295136520.

The previous prime is 67868920673. The next prime is 67868920681. The reversal of 67868920675 is 57602986876.

It is not a de Polignac number, because 67868920675 - 2¹ = 67868920673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67868920673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1357378389 + ... + 1357378438.

Almost surely, 2^67868920675 is an apocalyptic number.

67868920675 is a deficient number, since it is larger than the sum of its proper divisors (16288540993).

67868920675 is a wasteful number, since it uses less digits than its factorization.

67868920675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714756837 (or 2714756832 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 67868920675 in words is "sixty-seven billion, eight hundred sixty-eight million, nine hundred twenty thousand, six hundred seventy-five".