268134779 has 8 divisors (see below), whose sum is σ = 301946880. Its totient is φ = 235895400.

The previous prime is 268134773. The next prime is 268134781. The reversal of 268134779 is 977431862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268134779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268134773) 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, 392819 + ... + 393500.

It is an arithmetic number, because the mean of its divisors is an integer number (37743360).

Almost surely, 2^268134779 is an apocalyptic number.

268134779 is a deficient number, since it is larger than the sum of its proper divisors (33812101).

268134779 is a wasteful number, since it uses less digits than its factorization.

268134779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786361.

The product of its digits is 508032, while the sum is 47.

The square root of 268134779 is about 16374.8214952103. The cubic root of 268134779 is about 644.8386343922.

The spelling of 268134779 in words is "two hundred sixty-eight million, one hundred thirty-four thousand, seven hundred seventy-nine".