268856579854968 has 48 divisors (see below), whose sum is σ = 781878829173480. Its totient is φ = 76816165672512.

The previous prime is 268856579854963. The next prime is 268856579854969. The reversal of 268856579854968 is 869458975658862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268856579854963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114309769171 + ... + 114309771522.

Almost surely, 2^{268856579854968} is an apocalyptic number.

268856579854968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268856579854968 is an abundant number, since it is smaller than the sum of its proper divisors (513022249318512).

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

268856579854968 is a wasteful number, since it uses less digits than its factorization.

268856579854968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228619540716 (or 228619540705 counting only the distinct ones).

The product of its digits is 501645312000, while the sum is 96.

The spelling of 268856579854968 in words is "two hundred sixty-eight trillion, eight hundred fifty-six billion, five hundred seventy-nine million, eight hundred fifty-four thousand, nine hundred sixty-eight".