268876397 has 4 divisors (see below), whose sum is σ = 269141280. Its totient is φ = 268611516.

The previous prime is 268876379. The next prime is 268876409. The reversal of 268876397 is 793678862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268876397 - 2¹⁸ = 268614253 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 (268876327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130913 + ... + 132950.

It is an arithmetic number, because the mean of its divisors is an integer number (67285320).

Almost surely, 2^268876397 is an apocalyptic number.

It is an amenable number.

268876397 is a deficient number, since it is larger than the sum of its proper divisors (264883).

268876397 is a wasteful number, since it uses less digits than its factorization.

268876397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264882.

The product of its digits is 6096384, while the sum is 56.

The square root of 268876397 is about 16397.4509299464. The cubic root of 268876397 is about 645.4325940410.

The spelling of 268876397 in words is "two hundred sixty-eight million, eight hundred seventy-six thousand, three hundred ninety-seven".