67873279922 has 18 divisors (see below), whose sum is σ = 118436447997. Its totient is φ = 29087443224.

The previous prime is 67873279921. The next prime is 67873279931. The reversal of 67873279922 is 22997237876.

It can be written as a sum of positive squares in 2 ways, for example, as 66440733121 + 1432546801 = 257761^2 + 37849^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184219.

It is not an unprimeable number, because it can be changed into a prime (67873279921) 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 8 ways as a sum of consecutive naturals, for example, 2565908 + ... + 2592224.

Almost surely, 2^67873279922 is an apocalyptic number.

67873279922 is a deficient number, since it is larger than the sum of its proper divisors (50563168075).

67873279922 is an frugal number, since it uses more digits than its factorization.

67873279922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52650 (or 26326 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 62.

The spelling of 67873279922 in words is "sixty-seven billion, eight hundred seventy-three million, two hundred seventy-nine thousand, nine hundred twenty-two".