268658831 has 8 divisors (see below), whose sum is σ = 308173824. Its totient is φ = 229427640.

The previous prime is 268658827. The next prime is 268658833. The reversal of 268658831 is 138856862.

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

It is a cyclic number.

It is not a de Polignac number, because 268658831 - 2² = 268658827 is a prime.

It is a super-2 number, since 2×268658831² = 144355134948573122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268658833) 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 7 ways as a sum of consecutive naturals, for example, 68915 + ... + 72708.

It is an arithmetic number, because the mean of its divisors is an integer number (38521728).

Almost surely, 2^268658831 is an apocalyptic number.

268658831 is a deficient number, since it is larger than the sum of its proper divisors (39514993).

268658831 is a wasteful number, since it uses less digits than its factorization.

268658831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141901.

The product of its digits is 552960, while the sum is 47.

The square root of 268658831 is about 16390.8154464627. The cubic root of 268658831 is about 645.2584594053.

The spelling of 268658831 in words is "two hundred sixty-eight million, six hundred fifty-eight thousand, eight hundred thirty-one".