268260077 has 2 divisors, whose sum is σ = 268260078. Its totient is φ = 268260076.

The previous prime is 268260059. The next prime is 268260133. The reversal of 268260077 is 770062862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251825161 + 16434916 = 15869^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 268260077 - 2⁸ = 268259821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268260077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268260277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134130038 + 134130039.

It is an arithmetic number, because the mean of its divisors is an integer number (134130039).

Almost surely, 2^268260077 is an apocalyptic number.

It is an amenable number.

268260077 is a deficient number, since it is larger than the sum of its proper divisors (1).

268260077 is an equidigital number, since it uses as much as digits as its factorization.

268260077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 268260077 is about 16378.6469831913. The cubic root of 268260077 is about 644.9390620073.

The spelling of 268260077 in words is "two hundred sixty-eight million, two hundred sixty thousand, seventy-seven".