268299678 has 16 divisors (see below), whose sum is σ = 568164240. Its totient is φ = 84172416.

The previous prime is 268299649. The next prime is 268299709. The reversal of 268299678 is 876992862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315093 + ... + 1315296.

It is an arithmetic number, because the mean of its divisors is an integer number (35510265).

Almost surely, 2^268299678 is an apocalyptic number.

268299678 is an abundant number, since it is smaller than the sum of its proper divisors (299864562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268299678 is a wasteful number, since it uses less digits than its factorization.

268299678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630411.

The product of its digits is 5225472, while the sum is 57.

The square root of 268299678 is about 16379.8558601717. The cubic root of 268299678 is about 644.9707961058.

The spelling of 268299678 in words is "two hundred sixty-eight million, two hundred ninety-nine thousand, six hundred seventy-eight".