268578831 has 8 divisors (see below), whose sum is σ = 370453680. Its totient is φ = 172878272.

The previous prime is 268578809. The next prime is 268578833. The reversal of 268578831 is 138875862.

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 268578831 - 2⁵ = 268578799 is a prime.

It is a super-2 number, since 2×268578831² = 144269176922653122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268578833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543470 + ... + 1543643.

It is an arithmetic number, because the mean of its divisors is an integer number (46306710).

Almost surely, 2^268578831 is an apocalyptic number.

268578831 is a deficient number, since it is larger than the sum of its proper divisors (101874849).

268578831 is a wasteful number, since it uses less digits than its factorization.

268578831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087145.

The product of its digits is 645120, while the sum is 48.

The square root of 268578831 is about 16388.3748736719. The cubic root of 268578831 is about 645.1944056744.

The spelling of 268578831 in words is "two hundred sixty-eight million, five hundred seventy-eight thousand, eight hundred thirty-one".