268988873 has 2 divisors, whose sum is σ = 268988874. Its totient is φ = 268988872.

The previous prime is 268988861. The next prime is 268988893. The reversal of 268988873 is 378889862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264940729 + 4048144 = 16277^2 + 2012^2 .

It is a cyclic number.

It is not a de Polignac number, because 268988873 - 2¹² = 268984777 is a prime.

It is not a weakly prime, because it can be changed into another prime (268988803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134494436 + 134494437.

It is an arithmetic number, because the mean of its divisors is an integer number (134494437).

Almost surely, 2^268988873 is an apocalyptic number.

It is an amenable number.

268988873 is a deficient number, since it is larger than the sum of its proper divisors (1).

268988873 is an equidigital number, since it uses as much as digits as its factorization.

268988873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 59.

The square root of 268988873 is about 16400.8802507670. The cubic root of 268988873 is about 645.5225803159.

The spelling of 268988873 in words is "two hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred seventy-three".