268378355 has 8 divisors (see below), whose sum is σ = 368061792. Its totient is φ = 184030848.

The previous prime is 268378321. The next prime is 268378361. The reversal of 268378355 is 553873862.

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 268378355 - 2¹⁰ = 268377331 is a prime.

It is an unprimeable number.

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, 3833942 + ... + 3834011.

It is an arithmetic number, because the mean of its divisors is an integer number (46007724).

Almost surely, 2^268378355 is an apocalyptic number.

268378355 is a deficient number, since it is larger than the sum of its proper divisors (99683437).

268378355 is an equidigital number, since it uses as much as digits as its factorization.

268378355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667965.

The product of its digits is 1209600, while the sum is 47.

The square root of 268378355 is about 16382.2573230920. The cubic root of 268378355 is about 645.0338343327.

The spelling of 268378355 in words is "two hundred sixty-eight million, three hundred seventy-eight thousand, three hundred fifty-five".