268724811 has 16 divisors (see below), whose sum is σ = 361865504. Its totient is φ = 177375744.

The previous prime is 268724789. The next prime is 268724839. The reversal of 268724811 is 118427862.

It is a happy number.

It is not a de Polignac number, because 268724811 - 2⁹ = 268724299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268724811.

It is not an unprimeable number, because it can be changed into a prime (268724851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157881 + ... + 159573.

It is an arithmetic number, because the mean of its divisors is an integer number (22616594).

Almost surely, 2^268724811 is an apocalyptic number.

268724811 is a deficient number, since it is larger than the sum of its proper divisors (93140693).

268724811 is a wasteful number, since it uses less digits than its factorization.

268724811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its digits is 43008, while the sum is 39.

The square root of 268724811 is about 16392.8280354550. The cubic root of 268724811 is about 645.3112781522.

The spelling of 268724811 in words is "two hundred sixty-eight million, seven hundred twenty-four thousand, eight hundred eleven".