268872843 has 16 divisors (see below), whose sum is σ = 363991040. Its totient is φ = 176522976.

The previous prime is 268872841. The next prime is 268872847. The reversal of 268872843 is 348278862.

It is a happy number.

It is not a de Polignac number, because 268872843 - 2¹ = 268872841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268872792 and 268872801.

It is not an unprimeable number, because it can be changed into a prime (268872841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50421 + ... + 55497.

It is an arithmetic number, because the mean of its divisors is an integer number (22749440).

Almost surely, 2^268872843 is an apocalyptic number.

268872843 is a deficient number, since it is larger than the sum of its proper divisors (95118197).

268872843 is a wasteful number, since it uses less digits than its factorization.

268872843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346.

The product of its digits is 1032192, while the sum is 48.

The square root of 268872843 is about 16397.3425590856. The cubic root of 268872843 is about 645.4297502591.

The spelling of 268872843 in words is "two hundred sixty-eight million, eight hundred seventy-two thousand, eight hundred forty-three".