268331187 has 8 divisors (see below), whose sum is σ = 358549504. Its totient is φ = 178500168.

The previous prime is 268331177. The next prime is 268331207. The reversal of 268331187 is 781133862.

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

It is not a de Polignac number, because 268331187 - 2⁶ = 268331123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268331117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95203 + ... + 97980.

It is an arithmetic number, because the mean of its divisors is an integer number (44818688).

Almost surely, 2^268331187 is an apocalyptic number.

268331187 is a deficient number, since it is larger than the sum of its proper divisors (90218317).

268331187 is a wasteful number, since it uses less digits than its factorization.

268331187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193649.

The product of its digits is 48384, while the sum is 39.

The square root of 268331187 is about 16380.8176535849. The cubic root of 268331187 is about 644.9960434827.

The spelling of 268331187 in words is "two hundred sixty-eight million, three hundred thirty-one thousand, one hundred eighty-seven".