268288779 has 8 divisors (see below), whose sum is σ = 390238272. Its totient is φ = 162599240.

The previous prime is 268288729. The next prime is 268288817. The reversal of 268288779 is 977882862.

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

It is a cyclic number.

It is not a de Polignac number, because 268288779 - 2⁸ = 268288523 is a prime.

It is a super-3 number, since 3×268288779³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (268288729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064949 + ... + 4065014.

It is an arithmetic number, because the mean of its divisors is an integer number (48779784).

Almost surely, 2^268288779 is an apocalyptic number.

268288779 is a deficient number, since it is larger than the sum of its proper divisors (121949493).

268288779 is a wasteful number, since it uses less digits than its factorization.

268288779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129977.

The product of its digits is 5419008, while the sum is 57.

The square root of 268288779 is about 16379.5231615575. The cubic root of 268288779 is about 644.9620625484.

The spelling of 268288779 in words is "two hundred sixty-eight million, two hundred eighty-eight thousand, seven hundred seventy-nine".