268863331 has 8 divisors (see below), whose sum is σ = 295730928. Its totient is φ = 244420000.

The previous prime is 268863323. The next prime is 268863337. The reversal of 268863331 is 133368862.

It is not a de Polignac number, because 268863331 - 2³ = 268863323 is a prime.

It is a super-2 number, since 2×268863331² = 144574981512831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268863337) 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, 99670 + ... + 102331.

It is an arithmetic number, because the mean of its divisors is an integer number (36966366).

Almost surely, 2^268863331 is an apocalyptic number.

268863331 is a deficient number, since it is larger than the sum of its proper divisors (26867597).

268863331 is an equidigital number, since it uses as much as digits as its factorization.

268863331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202034 (or 202012 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 268863331 is about 16397.0525095213. The cubic root of 268863331 is about 645.4221389782.

The spelling of 268863331 in words is "two hundred sixty-eight million, eight hundred sixty-three thousand, three hundred thirty-one".