268244677 has 2 divisors, whose sum is σ = 268244678. Its totient is φ = 268244676.

The previous prime is 268244659. The next prime is 268244681. The reversal of 268244677 is 776442862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147112641 + 121132036 = 12129^2 + 11006^2 .

It is a cyclic number.

It is not a de Polignac number, because 268244677 - 2¹⁹ = 267720389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268244657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134122338 + 134122339.

It is an arithmetic number, because the mean of its divisors is an integer number (134122339).

Almost surely, 2^268244677 is an apocalyptic number.

It is an amenable number.

268244677 is a deficient number, since it is larger than the sum of its proper divisors (1).

268244677 is an equidigital number, since it uses as much as digits as its factorization.

268244677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 46.

The square root of 268244677 is about 16378.1768521408. The cubic root of 268244677 is about 644.9267204372.

The spelling of 268244677 in words is "two hundred sixty-eight million, two hundred forty-four thousand, six hundred seventy-seven".