268047813 has 16 divisors (see below), whose sum is σ = 390168576. Its totient is φ = 162336240.

The previous prime is 268047811. The next prime is 268047817. The reversal of 268047813 is 318740862.

It is not a de Polignac number, because 268047813 - 2¹ = 268047811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268047811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73020 + ... + 76602.

It is an arithmetic number, because the mean of its divisors is an integer number (24385536).

Almost surely, 2^268047813 is an apocalyptic number.

It is an amenable number.

268047813 is a deficient number, since it is larger than the sum of its proper divisors (122120763).

268047813 is a wasteful number, since it uses less digits than its factorization.

268047813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 268047813 is about 16372.1658005287. The cubic root of 268047813 is about 644.7689118683.

The spelling of 268047813 in words is "two hundred sixty-eight million, forty-seven thousand, eight hundred thirteen".