268669897 has 4 divisors (see below), whose sum is σ = 270785536. Its totient is φ = 266554260.

The previous prime is 268669883. The next prime is 268669909. The reversal of 268669897 is 798966862.

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 268669897 - 2¹¹ = 268667849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268669837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057629 + ... + 1057882.

It is an arithmetic number, because the mean of its divisors is an integer number (67696384).

Almost surely, 2^268669897 is an apocalyptic number.

It is an amenable number.

268669897 is a deficient number, since it is larger than the sum of its proper divisors (2115639).

268669897 is a wasteful number, since it uses less digits than its factorization.

268669897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115638.

The product of its digits is 15676416, while the sum is 61.

The square root of 268669897 is about 16391.1530100844. The cubic root of 268669897 is about 645.2673186365.

It can be divided in two parts, 26866 and 9897, that added together give a palindrome (36763).

The spelling of 268669897 in words is "two hundred sixty-eight million, six hundred sixty-nine thousand, eight hundred ninety-seven".