268978233388 has 6 divisors (see below), whose sum is σ = 470711908436. Its totient is φ = 134489116692.

The previous prime is 268978233373. The next prime is 268978233443. The reversal of 268978233388 is 883332879862.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622279170 + ... + 33622279177.

Almost surely, 2^268978233388 is an apocalyptic number.

It is an amenable number.

268978233388 is a deficient number, since it is larger than the sum of its proper divisors (201733675048).

268978233388 is a wasteful number, since it uses less digits than its factorization.

268978233388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67244558351 (or 67244558349 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 67.

The spelling of 268978233388 in words is "two hundred sixty-eight billion, nine hundred seventy-eight million, two hundred thirty-three thousand, three hundred eighty-eight".