268779379 has 4 divisors (see below), whose sum is σ = 293213880. Its totient is φ = 244344880.

The previous prime is 268779373. The next prime is 268779383. The reversal of 268779379 is 973977862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268779379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268779373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12217234 + ... + 12217255.

It is an arithmetic number, because the mean of its divisors is an integer number (73303470).

Almost surely, 2^268779379 is an apocalyptic number.

268779379 is a deficient number, since it is larger than the sum of its proper divisors (24434501).

268779379 is a wasteful number, since it uses less digits than its factorization.

268779379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24434500.

The product of its digits is 8001504, while the sum is 58.

The square root of 268779379 is about 16394.4923373674. The cubic root of 268779379 is about 645.3549547576.

The spelling of 268779379 in words is "two hundred sixty-eight million, seven hundred seventy-nine thousand, three hundred seventy-nine".