268264079 has 4 divisors (see below), whose sum is σ = 268419384. Its totient is φ = 268108776.

The previous prime is 268264069. The next prime is 268264081. The reversal of 268264079 is 970462862.

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-268264079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268264069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75032 + ... + 78525.

It is an arithmetic number, because the mean of its divisors is an integer number (67104846).

Almost surely, 2^268264079 is an apocalyptic number.

268264079 is a deficient number, since it is larger than the sum of its proper divisors (155305).

268264079 is a wasteful number, since it uses less digits than its factorization.

268264079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155304.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 268264079 is about 16378.7691539993. The cubic root of 268264079 is about 644.9422691354.

The spelling of 268264079 in words is "two hundred sixty-eight million, two hundred sixty-four thousand, seventy-nine".