67875431943 has 24 divisors (see below), whose sum is σ = 99524704384. Its totient is φ = 41116418640.

The previous prime is 67875431881. The next prime is 67875431947. The reversal of 67875431943 is 34913457876.

It is not a de Polignac number, because 67875431943 - 2⁹ = 67875431431 is a prime.

It is a super-2 number, since 2×67875431943² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67875431947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711246 + ... + 801012.

Almost surely, 2^67875431943 is an apocalyptic number.

67875431943 is a deficient number, since it is larger than the sum of its proper divisors (31649272441).

67875431943 is a wasteful number, since it uses less digits than its factorization.

67875431943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91875 (or 91864 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 67875431943 in words is "sixty-seven billion, eight hundred seventy-five million, four hundred thirty-one thousand, nine hundred forty-three".