268210678 has 8 divisors (see below), whose sum is σ = 402406200. Its totient is φ = 134075280.

The previous prime is 268210673. The next prime is 268210697. The reversal of 268210678 is 876012862.

268210678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 268210678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268210673) 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 3 ways as a sum of consecutive naturals, for example, 1408 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (50300775).

Almost surely, 2^268210678 is an apocalyptic number.

268210678 is a deficient number, since it is larger than the sum of its proper divisors (134195522).

268210678 is a wasteful number, since it uses less digits than its factorization.

268210678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30062.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 268210678 is about 16377.1388832116. The cubic root of 268210678 is about 644.8994719437.

The spelling of 268210678 in words is "two hundred sixty-eight million, two hundred ten thousand, six hundred seventy-eight".