268387678 has 32 divisors (see below), whose sum is σ = 443409120. Its totient is φ = 121080960.

The previous prime is 268387657. The next prime is 268387697. The reversal of 268387678 is 876783862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312013 + ... + 312871.

It is an arithmetic number, because the mean of its divisors is an integer number (13856535).

Almost surely, 2^268387678 is an apocalyptic number.

268387678 is a deficient number, since it is larger than the sum of its proper divisors (175021442).

268387678 is a wasteful number, since it uses less digits than its factorization.

268387678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 5419008, while the sum is 55.

The square root of 268387678 is about 16382.5418662673. The cubic root of 268387678 is about 645.0413033663.

The spelling of 268387678 in words is "two hundred sixty-eight million, three hundred eighty-seven thousand, six hundred seventy-eight".